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Wikipedia

122 (number)

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

In mathematics 122 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 as well. 122 is a semiprime. φ(122) = φ(σ(122)).

References

Tags

  • Integers
  • Number stubs
  • Numbers