118507128 has 16 divisors (see below), whose sum is σ = 296267880. Its totient is φ = 39502368.

The previous prime is 118507127. The next prime is 118507133. The reversal of 118507128 is 821705811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118507127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468875 + ... + 2468922.

Almost surely, 2^118507128 is an apocalyptic number.

It is an amenable number.

118507128 is an abundant number, since it is smaller than the sum of its proper divisors (177760752).

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

118507128 is a wasteful number, since it uses less digits than its factorization.

118507128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937806 (or 4937802 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 118507128 is about 10886.0979234986. The cubic root of 118507128 is about 491.1884631787.

The spelling of 118507128 in words is "one hundred eighteen million, five hundred seven thousand, one hundred twenty-eight".