115972 has 12 divisors (see below), whose sum is σ = 206080. Its totient is φ = 57096.

The previous prime is 115963. The next prime is 115979. The reversal of 115972 is 279511.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115979) 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, 133 + ... + 499.

2¹¹⁵⁹⁷² is an apocalyptic number.

It is an amenable number.

115972 is a deficient number, since it is larger than the sum of its proper divisors (90108).

115972 is a wasteful number, since it uses less digits than its factorization.

115972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 115972 is about 340.5466194224. The cubic root of 115972 is about 48.7660652728.

The spelling of 115972 in words is "one hundred fifteen thousand, nine hundred seventy-two".