122555304143055 has 96 divisors (see below), whose sum is σ = 244245707596800. Its totient is φ = 55686213006336.

The previous prime is 122555304143033. The next prime is 122555304143087. The reversal of 122555304143055 is 550341403555221.

122555304143055 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 553 + 0 + 4 + 1 + 43 + 0 + 55 = 666.

It is not a de Polignac number, because 122555304143055 - 2¹⁶ = 122555304077519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122555304143055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 924677031 + ... + 924809559.

It is an arithmetic number, because the mean of its divisors is an integer number (2544226120800).

Almost surely, 2^{122555304143055} is an apocalyptic number.

122555304143055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122555304143055 is a deficient number, since it is larger than the sum of its proper divisors (121690403453745).

122555304143055 is a wasteful number, since it uses less digits than its factorization.

122555304143055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150293 (or 150290 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Adding to 122555304143055 its reverse (550341403555221), we get a palindrome (672896707698276).

The spelling of 122555304143055 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred four million, one hundred forty-three thousand, fifty-five".