Supriya Ghosh (Editor)

122 (number)

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122
  
123 →

Factorization
  
2 × 61

Roman numeral
  
CXXII

Cardinal
  
one hundred twenty-two

Divisors
  
1, 2, 61, 122

Ordinal
  
122nd (one hundred and twenty-second)

122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.

Contents

In mathematics

It is a nontotient since there is no integer with exactly 122 coprimes below it. Nor is there an integer with exactly 122 integers with common factors below it, making 122 a noncototient.

In telephony

  • The fire emergency telephone number in Austria
  • The police emergency telephone number in Egypt
  • The traffic emergency telephone number in China
  • The police emergency telephone number in Bosnia and Herzegovina

    • In other fields

    122 is also:

  • The atomic number of the chemical element unbibium
  • The number of men of Michmas at the census (Bible, Nehemiah 7:31)
  • The Enroute Flight Advisory Service (EFAS) "Flight watch" frequency: 122.0 MHz

    • References

    122 (number) Wikipedia
    (Text) CC BY-SA