120971604 has 48 divisors (see below), whose sum is σ = 304678080. Its totient is φ = 37136640.

The previous prime is 120971597. The next prime is 120971621. The reversal of 120971604 is 406179021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118207 + ... + 119225.

It is an arithmetic number, because the mean of its divisors is an integer number (6347460).

Almost surely, 2^120971604 is an apocalyptic number.

It is an amenable number.

120971604 is an abundant number, since it is smaller than the sum of its proper divisors (183706476).

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

120971604 is a wasteful number, since it uses less digits than its factorization.

120971604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 120971604 is about 10998.7091969922. The cubic root of 120971604 is about 494.5700500860.

The spelling of 120971604 in words is "one hundred twenty million, nine hundred seventy-one thousand, six hundred four".