120133031 has 4 divisors (see below), whose sum is σ = 120176064. Its totient is φ = 120090000.

The previous prime is 120133021. The next prime is 120133037. The reversal of 120133031 is 130331021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120133031 is a prime.

It is a super-2 number, since 2×120133031² = 28863890274493922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120132997 and 120133015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133037) 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, 17015 + ... + 23016.

It is an arithmetic number, because the mean of its divisors is an integer number (30044016).

Almost surely, 2^120133031 is an apocalyptic number.

120133031 is a deficient number, since it is larger than the sum of its proper divisors (43033).

120133031 is an equidigital number, since it uses as much as digits as its factorization.

120133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43032.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 120133031 is about 10960.5214748204. The cubic root of 120133031 is about 493.4246156975.

Adding to 120133031 its reverse (130331021), we get a palindrome (250464052).

The spelling of 120133031 in words is "one hundred twenty million, one hundred thirty-three thousand, thirty-one".