120242031 has 24 divisors (see below), whose sum is σ = 200847024. Its totient is φ = 63423360.

The previous prime is 120242021. The next prime is 120242063. The reversal of 120242031 is 130242021.

It is not a de Polignac number, because 120242031 - 2⁶ = 120241967 is a prime.

It is a super-2 number, since 2×120242031² = 28916292038009922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120242031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120242011) 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 23 ways as a sum of consecutive naturals, for example, 29550 + ... + 33371.

It is an arithmetic number, because the mean of its divisors is an integer number (8368626).

Almost surely, 2^120242031 is an apocalyptic number.

120242031 is a deficient number, since it is larger than the sum of its proper divisors (80604993).

120242031 is a wasteful number, since it uses less digits than its factorization.

120242031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62951 (or 62944 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120242031 is about 10965.4927385868. The cubic root of 120242031 is about 493.5738031566.

Adding to 120242031 its reverse (130242021), we get a palindrome (250484052).

The spelling of 120242031 in words is "one hundred twenty million, two hundred forty-two thousand, thirty-one".