118888131 has 16 divisors (see below), whose sum is σ = 164111360. Its totient is φ = 76476960.

The previous prime is 118888097. The next prime is 118888181. The reversal of 118888131 is 131888811.

It is not a de Polignac number, because 118888131 - 2⁹ = 118887619 is a prime.

It is a super-2 number, since 2×118888131² = 28268775385346322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118888131.

It is not an unprimeable number, because it can be changed into a prime (118888181) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33561 + ... + 36933.

It is an arithmetic number, because the mean of its divisors is an integer number (10256960).

Almost surely, 2^118888131 is an apocalyptic number.

118888131 is a deficient number, since it is larger than the sum of its proper divisors (45223229).

118888131 is a wasteful number, since it uses less digits than its factorization.

118888131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786.

The product of its digits is 12288, while the sum is 39.

The square root of 118888131 is about 10903.5834017996. The cubic root of 118888131 is about 491.7142939339.

The spelling of 118888131 in words is "one hundred eighteen million, eight hundred eighty-eight thousand, one hundred thirty-one".