120931 has 8 divisors (see below), whose sum is σ = 129024. Its totient is φ = 113160.

The previous prime is 120929. The next prime is 120937. The reversal of 120931 is 139021.

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 120931 - 2¹ = 120929 is a prime.

It is a super-2 number, since 2×120931² = 29248613522, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2¹²⁰⁹³¹ is an apocalyptic number.

120931 is a deficient number, since it is larger than the sum of its proper divisors (8093).

120931 is an equidigital number, since it uses as much as digits as its factorization.

120931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 120931 is about 347.7513479485. The cubic root of 120931 is about 49.4514709910.

Adding to 120931 its reverse (139021), we get a palindrome (259952).

The spelling of 120931 in words is "one hundred twenty thousand, nine hundred thirty-one".