120489431004 has 36 divisors (see below), whose sum is σ = 305418924720. Its totient is φ = 40051264320.

The previous prime is 120489430987. The next prime is 120489431017. The reversal of 120489431004 is 400134984021.

It is a happy number.

120489431004 is a `hidden beast` number, since 120 + 489 + 43 + 10 + 0 + 4 = 666.

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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 120489431004.

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, 4648537 + ... + 4674384.

It is an arithmetic number, because the mean of its divisors is an integer number (8483859020).

Almost surely, 2^120489431004 is an apocalyptic number.

It is an amenable number.

120489431004 is an abundant number, since it is smaller than the sum of its proper divisors (184929493716).

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

120489431004 is a wasteful number, since it uses less digits than its factorization.

120489431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323290 (or 9323285 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 120489431004 in words is "one hundred twenty billion, four hundred eighty-nine million, four hundred thirty-one thousand, four".