115721364 has 24 divisors (see below), whose sum is σ = 294563808. Its totient is φ = 35067040.

The previous prime is 115721351. The next prime is 115721401. The reversal of 115721364 is 463127511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438207 + ... + 438470.

It is an arithmetic number, because the mean of its divisors is an integer number (12273492).

Almost surely, 2^115721364 is an apocalyptic number.

It is an amenable number.

115721364 is an abundant number, since it is smaller than the sum of its proper divisors (178842444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115721364 is a wasteful number, since it uses less digits than its factorization.

115721364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876695 (or 876693 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 115721364 is about 10757.3864855735. The cubic root of 115721364 is about 487.3090923762.

Adding to 115721364 its reverse (463127511), we get a palindrome (578848875).

The spelling of 115721364 in words is "one hundred fifteen million, seven hundred twenty-one thousand, three hundred sixty-four".