115923128 has 16 divisors (see below), whose sum is σ = 226806480. Its totient is φ = 55441408.

The previous prime is 115923127. The next prime is 115923139. The reversal of 115923128 is 821329511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115923094 and 115923103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115923127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314825 + ... + 315192.

It is an arithmetic number, because the mean of its divisors is an integer number (14175405).

Almost surely, 2^115923128 is an apocalyptic number.

It is an amenable number.

115923128 is a deficient number, since it is larger than the sum of its proper divisors (110883352).

115923128 is a wasteful number, since it uses less digits than its factorization.

115923128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630046 (or 630042 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 115923128 is about 10766.7603298300. The cubic root of 115923128 is about 487.5921410758.

The spelling of 115923128 in words is "one hundred fifteen million, nine hundred twenty-three thousand, one hundred twenty-eight".