118217975 has 12 divisors (see below), whose sum is σ = 148044840. Its totient is φ = 93636000.

The previous prime is 118217969. The next prime is 118217989. The reversal of 118217975 is 579712811.

It is not a de Polignac number, because 118217975 - 2⁴ = 118217959 is a prime.

It is a super-2 number, since 2×118217975² = 27950979226201250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20885 + ... + 25934.

It is an arithmetic number, because the mean of its divisors is an integer number (12337070).

Almost surely, 2^118217975 is an apocalyptic number.

118217975 is a deficient number, since it is larger than the sum of its proper divisors (29826865).

118217975 is a wasteful number, since it uses less digits than its factorization.

118217975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46930 (or 46925 counting only the distinct ones).

The product of its digits is 35280, while the sum is 41.

The square root of 118217975 is about 10872.8089746854. The cubic root of 118217975 is about 490.7886439392.

The spelling of 118217975 in words is "one hundred eighteen million, two hundred seventeen thousand, nine hundred seventy-five".