120939 has 16 divisors (see below), whose sum is σ = 198912. Its totient is φ = 63648.

The previous prime is 120937. The next prime is 120941. The reversal of 120939 is 939021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120937) and next prime (120941).

It is not a de Polignac number, because 120939 - 2¹ = 120937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (12432).

2¹²⁰⁹³⁹ is an apocalyptic number.

120939 is a deficient number, since it is larger than the sum of its proper divisors (77973).

120939 is a wasteful number, since it uses less digits than its factorization.

120939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 120939 is about 347.7628502299. The cubic root of 120939 is about 49.4525614284.

The spelling of 120939 in words is "one hundred twenty thousand, nine hundred thirty-nine".