102409004 has 12 divisors (see below), whose sum is σ = 179931528. Its totient is φ = 51000000.

The previous prime is 102409001. The next prime is 102409009. The reversal of 102409004 is 400904201.

It is not an unprimeable number, because it can be changed into a prime (102409001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49997 + ... + 52004.

It is an arithmetic number, because the mean of its divisors is an integer number (14994294).

Almost surely, 2^102409004 is an apocalyptic number.

It is an amenable number.

102409004 is a deficient number, since it is larger than the sum of its proper divisors (77522524).

102409004 is a wasteful number, since it uses less digits than its factorization.

102409004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102256 (or 102254 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102409004 is about 10119.7333956977. The cubic root of 102409004 is about 467.8565501370.

The spelling of 102409004 in words is "one hundred two million, four hundred nine thousand, four".