120939929 has 4 divisors (see below), whose sum is σ = 131934480. Its totient is φ = 109945380.

The previous prime is 120939919. The next prime is 120939943. The reversal of 120939929 is 929939021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120939929 - 2⁴ = 120939913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120939929.

It is not an unprimeable number, because it can be changed into a prime (120939919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497259 + ... + 5497280.

It is an arithmetic number, because the mean of its divisors is an integer number (32983620).

Almost surely, 2^120939929 is an apocalyptic number.

It is an amenable number.

120939929 is a deficient number, since it is larger than the sum of its proper divisors (10994551).

120939929 is a wasteful number, since it uses less digits than its factorization.

120939929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994550.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 120939929 is about 10997.2691610236. The cubic root of 120939929 is about 494.5268805230.

It can be divided in two parts, 12093 and 9929, that added together give a palindrome (22022).

The spelling of 120939929 in words is "one hundred twenty million, nine hundred thirty-nine thousand, nine hundred twenty-nine".