115973187 has 16 divisors (see below), whose sum is σ = 169423488. Its totient is φ = 69980480.

The previous prime is 115973119. The next prime is 115973203. The reversal of 115973187 is 781379511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115973187 - 2⁸ = 115972931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115973287) 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, 148 + ... + 15230.

It is an arithmetic number, because the mean of its divisors is an integer number (10588968).

Almost surely, 2^115973187 is an apocalyptic number.

115973187 is a deficient number, since it is larger than the sum of its proper divisors (53450301).

115973187 is a wasteful number, since it uses less digits than its factorization.

115973187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330.

The product of its digits is 52920, while the sum is 42.

The square root of 115973187 is about 10769.0847800544. The cubic root of 115973187 is about 487.6623164953.

The spelling of 115973187 in words is "one hundred fifteen million, nine hundred seventy-three thousand, one hundred eighty-seven".