116520 has 32 divisors (see below), whose sum is σ = 349920. Its totient is φ = 31040.

The previous prime is 116507. The next prime is 116531. The reversal of 116520 is 25611.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 116520.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 116520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (10935).

2¹¹⁶⁵²⁰ is an apocalyptic number.

116520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116520 is an abundant number, since it is smaller than the sum of its proper divisors (233400).

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

116520 is a wasteful number, since it uses less digits than its factorization.

116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 116520 is about 341.3502599970. The cubic root of 116520 is about 48.8427556850.

Subtracting from 116520 its reverse (25611), we obtain a palindrome (90909).

It can be divided in two parts, 116 and 520, that added together give a palindrome (636).

The spelling of 116520 in words is "one hundred sixteen thousand, five hundred twenty".