115995128 has 16 divisors (see below), whose sum is σ = 224991000. Its totient is φ = 55997536.

The previous prime is 115995101. The next prime is 115995137. The reversal of 115995128 is 821599511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249758 + ... + 250221.

Almost surely, 2^115995128 is an apocalyptic number.

It is an amenable number.

115995128 is a deficient number, since it is larger than the sum of its proper divisors (108995872).

115995128 is a wasteful number, since it uses less digits than its factorization.

115995128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500014 (or 500010 counting only the distinct ones).

The product of its digits is 32400, while the sum is 41.

The square root of 115995128 is about 10770.1034349722. The cubic root of 115995128 is about 487.6930682132.

The spelling of 115995128 in words is "one hundred fifteen million, nine hundred ninety-five thousand, one hundred twenty-eight".