115030520 has 32 divisors (see below), whose sum is σ = 282348720. Its totient is φ = 41829120.

The previous prime is 115030507. The next prime is 115030529. The reversal of 115030520 is 25030511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115030529) 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 in 7 ways as a sum of consecutive naturals, for example, 130277 + ... + 131156.

Almost surely, 2^115030520 is an apocalyptic number.

115030520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115030520 is an abundant number, since it is smaller than the sum of its proper divisors (167318200).

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

115030520 is a wasteful number, since it uses less digits than its factorization.

115030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261455 (or 261451 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 115030520 is about 10725.2282027004. The cubic root of 115030520 is about 486.3374287405.

Subtracting from 115030520 its reverse (25030511), we obtain a palindrome (90000009).

The spelling of 115030520 in words is "one hundred fifteen million, thirty thousand, five hundred twenty".