120500031 has 8 divisors (see below), whose sum is σ = 160726320. Its totient is φ = 80303552.

The previous prime is 120500027. The next prime is 120500041. The reversal of 120500031 is 130005021.

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 120500031 - 2² = 120500027 is a prime.

It is a super-2 number, since 2×120500031² = 29040514942001922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4915 + ... + 16283.

It is an arithmetic number, because the mean of its divisors is an integer number (20090790).

Almost surely, 2^120500031 is an apocalyptic number.

120500031 is a deficient number, since it is larger than the sum of its proper divisors (40226289).

120500031 is a wasteful number, since it uses less digits than its factorization.

120500031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14905.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 120500031 is about 10977.2506120613. The cubic root of 120500031 is about 493.9265668574.

Adding to 120500031 its reverse (130005021), we get a palindrome (250505052).

The spelling of 120500031 in words is "one hundred twenty million, five hundred thousand, thirty-one".