122555240244255 has 32 divisors (see below), whose sum is σ = 241339550022144. Its totient is φ = 51715617860736.

The previous prime is 122555240244223. The next prime is 122555240244263. The reversal of 122555240244255 is 552442042555221.

It is not a de Polignac number, because 122555240244255 - 2⁵ = 122555240244223 is a prime.

It is a super-2 number, since 2×122555240244255² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 44892028029 + ... + 44892030758.

It is an arithmetic number, because the mean of its divisors is an integer number (7541860938192).

Almost surely, 2^{122555240244255} is an apocalyptic number.

122555240244255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122555240244255 is a deficient number, since it is larger than the sum of its proper divisors (118784309777889).

122555240244255 is a wasteful number, since it uses less digits than its factorization.

122555240244255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89784058815.

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

Adding to 122555240244255 its reverse (552442042555221), we get a palindrome (674997282799476).

The spelling of 122555240244255 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred forty million, two hundred forty-four thousand, two hundred fifty-five".