122555231535025 has 24 divisors (see below), whose sum is σ = 157209562196280. Its totient is φ = 94662880112640.

The previous prime is 122555231534999. The next prime is 122555231535041. The reversal of 122555231535025 is 520535132555221.

It can be written as a sum of positive squares in 12 ways, for example, as 23483706308001 + 99071525227024 = 4845999^2 + 9953468^2 .

It is not a de Polignac number, because 122555231535025 - 2¹⁵ = 122555231502257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240222609 + ... + 240732241.

It is an arithmetic number, because the mean of its divisors is an integer number (6550398424845).

Almost surely, 2^{122555231535025} is an apocalyptic number.

It is an amenable number.

122555231535025 is a deficient number, since it is larger than the sum of its proper divisors (34654330661255).

122555231535025 is a wasteful number, since it uses less digits than its factorization.

122555231535025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841365 (or 841360 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 122555231535025 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred thirty-five thousand, twenty-five".