122040656144 has 60 divisors (see below), whose sum is σ = 266928313932. Its totient is φ = 53973722880.

The previous prime is 122040655963. The next prime is 122040656147. The reversal of 122040656144 is 441656040221.

It can be written as a sum of positive squares in 2 ways, for example, as 93567468544 + 28473187600 = 305888^2 + 168740^2 .

It is not an unprimeable number, because it can be changed into a prime (122040656147) 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 11 ways as a sum of consecutive naturals, for example, 780227 + ... + 923490.

Almost surely, 2^122040656144 is an apocalyptic number.

It is an amenable number.

122040656144 is an abundant number, since it is smaller than the sum of its proper divisors (144887657788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122040656144 is a wasteful number, since it uses less digits than its factorization.

122040656144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703784 (or 1703767 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 122040656144 its reverse (441656040221), we get a palindrome (563696696365).

The spelling of 122040656144 in words is "one hundred twenty-two billion, forty million, six hundred fifty-six thousand, one hundred forty-four".