115727312 has 20 divisors (see below), whose sum is σ = 225523140. Its totient is φ = 57527808.

The previous prime is 115727303. The next prime is 115727341. The reversal of 115727312 is 213727511.

It can be written as a sum of positive squares in 2 ways, for example, as 73685056 + 42042256 = 8584^2 + 6484^2 .

It is a congruent number.

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, 18137 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (11276157).

Almost surely, 2^115727312 is an apocalyptic number.

It is an amenable number.

115727312 is a deficient number, since it is larger than the sum of its proper divisors (109795828).

115727312 is a wasteful number, since it uses less digits than its factorization.

115727312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41990 (or 41984 counting only the distinct ones).

The product of its digits is 2940, while the sum is 29.

The square root of 115727312 is about 10757.6629432233. The cubic root of 115727312 is about 487.3174413526.

The spelling of 115727312 in words is "one hundred fifteen million, seven hundred twenty-seven thousand, three hundred twelve".