120002004 has 36 divisors (see below), whose sum is σ = 306292896. Its totient is φ = 39611088.

The previous prime is 120001939. The next prime is 120002021. The reversal of 120002004 is 400200021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12474 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (8508136).

Almost surely, 2^120002004 is an apocalyptic number.

It is an amenable number.

120002004 is an abundant number, since it is smaller than the sum of its proper divisors (186290892).

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

120002004 is a wasteful number, since it uses less digits than its factorization.

120002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32476 (or 32471 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 120002004 is about 10954.5426193885. The cubic root of 120002004 is about 493.2451605669.

Adding to 120002004 its reverse (400200021), we get a palindrome (520202025).

The spelling of 120002004 in words is "one hundred twenty million, two thousand, four".