120561122882 has 6 divisors (see below), whose sum is σ = 180842420889. Its totient is φ = 60280315920.

The previous prime is 120561122839. The next prime is 120561122893. The reversal of 120561122882 is 288221165021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96696743521 + 23864379361 = 310961^2 + 154481^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=245521.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 368282 + ... + 613802.

Almost surely, 2^120561122882 is an apocalyptic number.

120561122882 is a deficient number, since it is larger than the sum of its proper divisors (60281298007).

120561122882 is an frugal number, since it uses more digits than its factorization.

120561122882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491044 (or 245523 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 120561122882 in words is "one hundred twenty billion, five hundred sixty-one million, one hundred twenty-two thousand, eight hundred eighty-two".