100865004 has 12 divisors (see below), whose sum is σ = 235351704. Its totient is φ = 33621664.

The previous prime is 100864991. The next prime is 100865021. The reversal of 100865004 is 400568001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202697 + ... + 4202720.

It is an arithmetic number, because the mean of its divisors is an integer number (19612642).

Almost surely, 2^100865004 is an apocalyptic number.

It is an amenable number.

100865004 is an abundant number, since it is smaller than the sum of its proper divisors (134486700).

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

100865004 is a wasteful number, since it uses less digits than its factorization.

100865004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405424 (or 8405422 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 100865004 is about 10043.1570733510. The cubic root of 100865004 is about 465.4933738961.

The spelling of 100865004 in words is "one hundred million, eight hundred sixty-five thousand, four".