- 118 is the last number n, such that 7n is smaller than a googol. Its prime factorization is 59*2.
- 118 is nontotient, meaning that \(\phi(x) = 118\) has no solution where \(\phi(x)\) is the Euler's totient function.
In nuclear physics
- MathWorld, Nontotient
- OEIS A005277: Nontotients: even n such that phi(m) = n has no solution.
- MathWorld, Totient Function