100308120 has 64 divisors (see below), whose sum is σ = 328285440. Its totient is φ = 24316800.

The previous prime is 100308101. The next prime is 100308137. The reversal of 100308120 is 21803001.

It is a happy number.

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 100308120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36676 + ... + 39315.

It is an arithmetic number, because the mean of its divisors is an integer number (5129460).

Almost surely, 2^100308120 is an apocalyptic number.

100308120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100308120 is an abundant number, since it is smaller than the sum of its proper divisors (227977320).

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

100308120 is a wasteful number, since it uses less digits than its factorization.

100308120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76016 (or 76012 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 100308120 is about 10015.3941510057. The cubic root of 100308120 is about 464.6351166894.

The spelling of 100308120 in words is "one hundred million, three hundred eight thousand, one hundred twenty".