118031872 has 40 divisors (see below), whose sum is σ = 269531856. Its totient is φ = 50583552.

The previous prime is 118031869. The next prime is 118031873. The reversal of 118031872 is 278130811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118031873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12883 + ... + 20050.

Almost surely, 2^118031872 is an apocalyptic number.

It is an amenable number.

118031872 is an abundant number, since it is smaller than the sum of its proper divisors (151499984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118031872 is an frugal number, since it uses more digits than its factorization.

118031872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32958 (or 32942 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 118031872 is about 10864.2474198630. The cubic root of 118031872 is about 490.5309696169.

The spelling of 118031872 in words is "one hundred eighteen million, thirty-one thousand, eight hundred seventy-two".