122555314155025 has 24 divisors (see below), whose sum is σ = 153673598108448. Its totient is φ = 96949572720000.

The previous prime is 122555314155019. The next prime is 122555314155047. The reversal of 122555314155025 is 520551413555221.

It is a happy number.

It is not a de Polignac number, because 122555314155025 - 2⁵ = 122555314154993 is a prime.

It is a super-2 number, since 2×122555314155025² (a number of 29 digits) contains 22 as substring.

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, 65665971 + ... + 67506520.

It is an arithmetic number, because the mean of its divisors is an integer number (6403066587852).

Almost surely, 2^{122555314155025} is an apocalyptic number.

It is an amenable number.

122555314155025 is a deficient number, since it is larger than the sum of its proper divisors (31118283953423).

122555314155025 is a wasteful number, since it uses less digits than its factorization.

122555314155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133172913 (or 133172908 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 46.

The spelling of 122555314155025 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred fourteen million, one hundred fifty-five thousand, twenty-five".