118897028 has 48 divisors (see below), whose sum is σ = 229146624. Its totient is φ = 53797920.

The previous prime is 118897027. The next prime is 118897033. The reversal of 118897028 is 820798811.

It is a self number, because there is not a number n which added to its sum of digits gives 118897028.

It is not an unprimeable number, because it can be changed into a prime (118897027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133601 + ... + 134487.

It is an arithmetic number, because the mean of its divisors is an integer number (4773888).

Almost surely, 2^118897028 is an apocalyptic number.

It is an amenable number.

118897028 is a deficient number, since it is larger than the sum of its proper divisors (110249596).

118897028 is a wasteful number, since it uses less digits than its factorization.

118897028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 44.

The square root of 118897028 is about 10903.9913793069. The cubic root of 118897028 is about 491.7265594503.

The spelling of 118897028 in words is "one hundred eighteen million, eight hundred ninety-seven thousand, twenty-eight".