120975947520 has 144 divisors (see below), whose sum is σ = 398830774272. Its totient is φ = 31219568640.

The previous prime is 120975947503. The next prime is 120975947567. The reversal of 120975947520 is 25749579021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389092 + ... + 627171.

Almost surely, 2^120975947520 is an apocalyptic number.

120975947520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120975947520 is an abundant number, since it is smaller than the sum of its proper divisors (277854826752).

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

120975947520 is a wasteful number, since it uses less digits than its factorization.

120975947520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016318 (or 1016304 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 120975947520 in words is "one hundred twenty billion, nine hundred seventy-five million, nine hundred forty-seven thousand, five hundred twenty".