120873931 has 8 divisors (see below), whose sum is σ = 125424320. Its totient is φ = 116391168.

The previous prime is 120873923. The next prime is 120873967. The reversal of 120873931 is 139378021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120873931 - 2³ = 120873923 is a prime.

It is a super-3 number, since 3×120873931³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120873971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13251 + ... + 20428.

It is an arithmetic number, because the mean of its divisors is an integer number (15678040).

Almost surely, 2^120873931 is an apocalyptic number.

120873931 is a deficient number, since it is larger than the sum of its proper divisors (4550389).

120873931 is an equidigital number, since it uses as much as digits as its factorization.

120873931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33813.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 120873931 is about 10994.2680975134. The cubic root of 120873931 is about 494.4369082422.

The spelling of 120873931 in words is "one hundred twenty million, eight hundred seventy-three thousand, nine hundred thirty-one".