102001001904 has 60 divisors (see below), whose sum is σ = 285556785696. Its totient is φ = 33988941696.

The previous prime is 102001001903. The next prime is 102001001911. The reversal of 102001001904 is 409100100201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102001001903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318154 + ... + 552470.

Almost surely, 2^102001001904 is an apocalyptic number.

It is an amenable number.

102001001904 is an abundant number, since it is smaller than the sum of its proper divisors (183555783792).

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

102001001904 is a wasteful number, since it uses less digits than its factorization.

102001001904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237354 (or 237345 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 102001001904 in words is "one hundred two billion, one million, one thousand, nine hundred four".