122555240244525 has 96 divisors (see below), whose sum is σ = 225804855564288. Its totient is φ = 58141849996800.

The previous prime is 122555240244523. The next prime is 122555240244527. The reversal of 122555240244525 is 525442042555221.

It is an interprime number because it is at equal distance from previous prime (122555240244523) and next prime (122555240244527).

It is not a de Polignac number, because 122555240244525 - 2¹ = 122555240244523 is a prime.

It is a super-2 number, since 2×122555240244525² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555240244523) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 154821537 + ... + 155611113.

It is an arithmetic number, because the mean of its divisors is an integer number (2352133912128).

Almost surely, 2^{122555240244525} is an apocalyptic number.

122555240244525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122555240244525 is a deficient number, since it is larger than the sum of its proper divisors (103249615319763).

122555240244525 is a wasteful number, since it uses less digits than its factorization.

122555240244525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793651 (or 793646 counting only the distinct ones).

The product of its (nonzero) digits is 6400000, while the sum is 48.

Adding to 122555240244525 its reverse (525442042555221), we get a palindrome (647997282799746).

The spelling of 122555240244525 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred forty million, two hundred forty-four thousand, five hundred twenty-five".