100015100 has 18 divisors (see below), whose sum is σ = 217032984. Its totient is φ = 40006000.

The previous prime is 100015099. The next prime is 100015129. The reversal of 100015100 is 1510001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499976 + ... + 500175.

It is an arithmetic number, because the mean of its divisors is an integer number (12057388).

Almost surely, 2^100015100 is an apocalyptic number.

100015100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100015100 is an abundant number, since it is smaller than the sum of its proper divisors (117017884).

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

100015100 is a wasteful number, since it uses less digits than its factorization.

100015100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000165 (or 1000158 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 100015100 is about 10000.7549715009. The cubic root of 100015100 is about 464.1822448493.

Adding to 100015100 its reverse (1510001), we get a palindrome (101525101).

The spelling of 100015100 in words is "one hundred million, fifteen thousand, one hundred".