122404025255225 has 24 divisors (see below), whose sum is σ = 174090213935808. Its totient is φ = 83631177201600.

The previous prime is 122404025255153. The next prime is 122404025255251. The reversal of 122404025255225 is 522552520404221.

It is not a de Polignac number, because 122404025255225 - 2¹² = 122404025251129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262499491 + ... + 1262596440.

It is an arithmetic number, because the mean of its divisors is an integer number (7253758913992).

Almost surely, 2^{122404025255225} is an apocalyptic number.

It is an amenable number.

122404025255225 is a deficient number, since it is larger than the sum of its proper divisors (51686188680583).

122404025255225 is a wasteful number, since it uses less digits than its factorization.

122404025255225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525096225 (or 2525096220 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 122404025255225 its reverse (522552520404221), we get a palindrome (644956545659446).

The spelling of 122404025255225 in words is "one hundred twenty-two trillion, four hundred four billion, twenty-five million, two hundred fifty-five thousand, two hundred twenty-five".