118915975 has 12 divisors (see below), whose sum is σ = 149956920. Its totient is φ = 93519200.

The previous prime is 118915967. The next prime is 118915981. The reversal of 118915975 is 579519811.

It is not a de Polignac number, because 118915975 - 2³ = 118915967 is a prime.

It is a super-2 number, since 2×118915975² = 28282018220401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38836 + ... + 41785.

It is an arithmetic number, because the mean of its divisors is an integer number (12496410).

Almost surely, 2^118915975 is an apocalyptic number.

118915975 is a deficient number, since it is larger than the sum of its proper divisors (31040945).

118915975 is an equidigital number, since it uses as much as digits as its factorization.

118915975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80690 (or 80685 counting only the distinct ones).

The product of its digits is 113400, while the sum is 46.

The square root of 118915975 is about 10904.8601549951. The cubic root of 118915975 is about 491.7526779845.

The spelling of 118915975 in words is "one hundred eighteen million, nine hundred fifteen thousand, nine hundred seventy-five".