120939373021 has 16 divisors (see below), whose sum is σ = 129676861440. Its totient is φ = 112453593840.

The previous prime is 120939372973. The next prime is 120939373031. The reversal of 120939373021 is 120373939021.

It is a cyclic number.

It is not a de Polignac number, because 120939373021 - 2¹⁷ = 120939241949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120939373031) by changing a digit.

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, 99816 + ... + 501838.

It is an arithmetic number, because the mean of its divisors is an integer number (8104803840).

Almost surely, 2^120939373021 is an apocalyptic number.

It is an amenable number.

120939373021 is a deficient number, since it is larger than the sum of its proper divisors (8737488419).

120939373021 is a wasteful number, since it uses less digits than its factorization.

120939373021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402336.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 120939373021 in words is "one hundred twenty billion, nine hundred thirty-nine million, three hundred seventy-three thousand, twenty-one".