100818120 has 64 divisors (see below), whose sum is σ = 325725120. Its totient is φ = 24816384.

The previous prime is 100818119. The next prime is 100818167. The reversal of 100818120 is 21818001.

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, 30754 + ... + 33873.

It is an arithmetic number, because the mean of its divisors is an integer number (5089455).

Almost surely, 2^100818120 is an apocalyptic number.

100818120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100818120 is an abundant number, since it is smaller than the sum of its proper divisors (224907000).

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

100818120 is a wasteful number, since it uses less digits than its factorization.

100818120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64654 (or 64650 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 100818120 is about 10040.8226754584. The cubic root of 100818120 is about 465.4212392846.

The spelling of 100818120 in words is "one hundred million, eight hundred eighteen thousand, one hundred twenty".