115031272 has 16 divisors (see below), whose sum is σ = 215806500. Its totient is φ = 57482880.

The previous prime is 115031251. The next prime is 115031291. The reversal of 115031272 is 272130511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79103236 + 35928036 = 8894^2 + 5994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17572 + ... + 23212.

Almost surely, 2^115031272 is an apocalyptic number.

It is an amenable number.

115031272 is a deficient number, since it is larger than the sum of its proper divisors (100775228).

115031272 is a wasteful number, since it uses less digits than its factorization.

115031272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 115031272 is about 10725.2632601722. The cubic root of 115031272 is about 486.3384885316.

Adding to 115031272 its reverse (272130511), we get a palindrome (387161783).

The spelling of 115031272 in words is "one hundred fifteen million, thirty-one thousand, two hundred seventy-two".