100129260 has 96 divisors (see below), whose sum is σ = 349558272. Its totient is φ = 20805120.

The previous prime is 100129231. The next prime is 100129273. The reversal of 100129260 is 62921001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6217 + ... + 15456.

It is an arithmetic number, because the mean of its divisors is an integer number (3641232).

Almost surely, 2^100129260 is an apocalyptic number.

100129260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100129260 is an abundant number, since it is smaller than the sum of its proper divisors (249429012).

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

100129260 is a wasteful number, since it uses less digits than its factorization.

100129260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703 (or 21701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 100129260 is about 10006.4609128303. The cubic root of 100129260 is about 464.3587878447.

The spelling of 100129260 in words is "one hundred million, one hundred twenty-nine thousand, two hundred sixty".