122404025255121 has 24 divisors (see below), whose sum is σ = 195345554376960. Its totient is φ = 73463285402496.

The previous prime is 122404025255101. The next prime is 122404025255137. The reversal of 122404025255121 is 121552520404221.

It is a happy number.

122404025255121 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 0 + 4 + 0 + 2 + 525 + 5 + 121 = 666.

It is not a de Polignac number, because 122404025255121 - 2⁵ = 122404025255089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122404025255101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17391872761 + ... + 17391879798.

It is an arithmetic number, because the mean of its divisors is an integer number (8139398099040).

Almost surely, 2^{122404025255121} is an apocalyptic number.

It is an amenable number.

122404025255121 is a deficient number, since it is larger than the sum of its proper divisors (72941529121839).

122404025255121 is a wasteful number, since it uses less digits than its factorization.

122404025255121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34783752605 (or 34783752602 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 122404025255121 its reverse (121552520404221), we get a palindrome (243956545659342).

The spelling of 122404025255121 in words is "one hundred twenty-two trillion, four hundred four billion, twenty-five million, two hundred fifty-five thousand, one hundred twenty-one".