118568728 has 8 divisors (see below), whose sum is σ = 222316380. Its totient is φ = 59284360.

The previous prime is 118568713. The next prime is 118568729. The reversal of 118568728 is 827865811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118568729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7410538 + ... + 7410553.

Almost surely, 2^118568728 is an apocalyptic number.

It is an amenable number.

118568728 is a deficient number, since it is larger than the sum of its proper divisors (103747652).

118568728 is a wasteful number, since it uses less digits than its factorization.

118568728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821097 (or 14821093 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 118568728 is about 10888.9268525415. The cubic root of 118568728 is about 491.2735550174.

The spelling of 118568728 in words is "one hundred eighteen million, five hundred sixty-eight thousand, seven hundred twenty-eight".