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122 (number)

 

122 (number)

122 is the natural number following 121 and preceding 123.

CardinalOne hundred [and]
twenty-two
Ordinal122nd
Factorization
Roman numeralCXXII
Binary1111010
Hexadecimal7A

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.

One hundred twenty-two is also:

  • The number of men of Michmas at the Census (Holy Bible, Nehemiah 7:31).
  • The year AD 122 or 122 BC.
  • The oldest age any woman is known to have lived to (she was born in 1875 and died in 1997).



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