100013124 has 24 divisors (see below), whose sum is σ = 234239040. Its totient is φ = 33212704.

The previous prime is 100013113. The next prime is 100013143. The reversal of 100013124 is 421310001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 12264 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (9759960).

Almost surely, 2^100013124 is an apocalyptic number.

It is an amenable number.

100013124 is an abundant number, since it is smaller than the sum of its proper divisors (134225916).

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

100013124 is a wasteful number, since it uses less digits than its factorization.

100013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31259 (or 31257 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100013124 is about 10000.6561784715. The cubic root of 100013124 is about 464.1791878770.

Adding to 100013124 its reverse (421310001), we get a palindrome (521323125).

The spelling of 100013124 in words is "one hundred million, thirteen thousand, one hundred twenty-four".