100129404 has 12 divisors (see below), whose sum is σ = 233635304. Its totient is φ = 33376464.

The previous prime is 100129399. The next prime is 100129409. The reversal of 100129404 is 404921001.

It is an interprime number because it is at equal distance from previous prime (100129399) and next prime (100129409).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100129409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172047 + ... + 4172070.

Almost surely, 2^100129404 is an apocalyptic number.

It is an amenable number.

100129404 is an abundant number, since it is smaller than the sum of its proper divisors (133505900).

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

100129404 is a wasteful number, since it uses less digits than its factorization.

100129404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344124 (or 8344122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 100129404 is about 10006.4681081788. The cubic root of 100129404 is about 464.3590104491.

The spelling of 100129404 in words is "one hundred million, one hundred twenty-nine thousand, four hundred four".