120431134021 has 16 divisors (see below), whose sum is σ = 138771376128. Its totient is φ = 103487151600.

The previous prime is 120431134007. The next prime is 120431134039.

120431134021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 120431134021 - 2⁵ = 120431133989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120431133983 and 120431134001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120431134081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091971 + ... + 4121296.

It is an arithmetic number, because the mean of its divisors is an integer number (8673211008).

Almost surely, 2^120431134021 is an apocalyptic number.

120431134021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120431134021 is a deficient number, since it is larger than the sum of its proper divisors (18340242107).

120431134021 is a wasteful number, since it uses less digits than its factorization.

120431134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213352.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 120431 and 134021, that added together give a palindrome (254452).

The spelling of 120431134021 in words is "one hundred twenty billion, four hundred thirty-one million, one hundred thirty-four thousand, twenty-one".