115403320 has 32 divisors (see below), whose sum is σ = 261565200. Its totient is φ = 45822208.

The previous prime is 115403317. The next prime is 115403339. The reversal of 115403320 is 23304511.

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, 5050 + ... + 16009.

Almost surely, 2^115403320 is an apocalyptic number.

115403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115403320 is an abundant number, since it is smaller than the sum of its proper divisors (146161880).

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

115403320 is a wasteful number, since it uses less digits than its factorization.

115403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207 (or 21203 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 115403320 is about 10742.5937277736. The cubic root of 115403320 is about 486.8622491131.

Adding to 115403320 its reverse (23304511), we get a palindrome (138707831).

The spelling of 115403320 in words is "one hundred fifteen million, four hundred three thousand, three hundred twenty".