115732312 has 8 divisors (see below), whose sum is σ = 216998100. Its totient is φ = 57866152.

The previous prime is 115732303. The next prime is 115732313. The reversal of 115732312 is 213237511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115732313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7233262 + ... + 7233277.

Almost surely, 2^115732312 is an apocalyptic number.

It is an amenable number.

115732312 is a deficient number, since it is larger than the sum of its proper divisors (101265788).

115732312 is a wasteful number, since it uses less digits than its factorization.

115732312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466545 (or 14466541 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 115732312 is about 10757.8953331960. The cubic root of 115732312 is about 487.3244594370.

Adding to 115732312 its reverse (213237511), we get a palindrome (328969823).

The spelling of 115732312 in words is "one hundred fifteen million, seven hundred thirty-two thousand, three hundred twelve".