120472751522 has 18 divisors (see below), whose sum is σ = 182974455633. Its totient is φ = 59490510952.

The previous prime is 120472751501. The next prime is 120472751533. The reversal of 120472751522 is 225157274021.

It can be written as a sum of positive squares in 2 ways, for example, as 107104998361 + 13367753161 = 327269^2 + 115619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=245431.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40740068 + ... + 40743024.

Almost surely, 2^120472751522 is an apocalyptic number.

120472751522 is a deficient number, since it is larger than the sum of its proper divisors (62501704111).

120472751522 is an frugal number, since it uses more digits than its factorization.

120472751522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 120472751522 in words is "one hundred twenty billion, four hundred seventy-two million, seven hundred fifty-one thousand, five hundred twenty-two".