120112031 has 4 divisors (see below), whose sum is σ = 129351432. Its totient is φ = 110872632.

The previous prime is 120112019. The next prime is 120112033. The reversal of 120112031 is 130211021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130211021 = 11113 ⋅11717.

It is not a de Polignac number, because 120112031 - 2¹⁰ = 120111007 is a prime.

It is a super-2 number, since 2×120112031² = 28853799981889922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112033) 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, 4619681 + ... + 4619706.

It is an arithmetic number, because the mean of its divisors is an integer number (32337858).

Almost surely, 2^120112031 is an apocalyptic number.

120112031 is a deficient number, since it is larger than the sum of its proper divisors (9239401).

120112031 is an equidigital number, since it uses as much as digits as its factorization.

120112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239400.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120112031 is about 10959.5634493350. The cubic root of 120112031 is about 493.3958627928.

Adding to 120112031 its reverse (130211021), we get a palindrome (250323052).

The spelling of 120112031 in words is "one hundred twenty million, one hundred twelve thousand, thirty-one".