100116520 has 32 divisors (see below), whose sum is σ = 257443200. Its totient is φ = 34325568.

The previous prime is 100116503. The next prime is 100116551. The reversal of 100116520 is 25611001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100116494 and 100116503.

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, 178500 + ... + 179059.

It is an arithmetic number, because the mean of its divisors is an integer number (8045100).

Almost surely, 2^100116520 is an apocalyptic number.

100116520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100116520 is an abundant number, since it is smaller than the sum of its proper divisors (157326680).

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

100116520 is a wasteful number, since it uses less digits than its factorization.

100116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357577 (or 357573 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 100116520 is about 10005.8243038742. The cubic root of 100116520 is about 464.3390926964.

Adding to 100116520 its reverse (25611001), we get a palindrome (125727521).

The spelling of 100116520 in words is "one hundred million, one hundred sixteen thousand, five hundred twenty".