122575402188081 has 6 divisors (see below), whose sum is σ = 177053358716130. Its totient is φ = 81716934792048.

The previous prime is 122575402188079. The next prime is 122575402188101. The reversal of 122575402188081 is 180881204575221.

122575402188081 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 7 + 540 + 2 + 18 + 8 + 0 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119543259085056 + 3032143103025 = 10933584^2 + 1741305^2 .

It is not a de Polignac number, because 122575402188081 - 2¹ = 122575402188079 is a prime.

It is a super-2 number, since 2×122575402188081² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122575400188081) 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 5 ways as a sum of consecutive naturals, for example, 6809744565996 + ... + 6809744566013.

It is an arithmetic number, because the mean of its divisors is an integer number (29508893119355).

Almost surely, 2^{122575402188081} is an apocalyptic number.

It is an amenable number.

122575402188081 is a deficient number, since it is larger than the sum of its proper divisors (54477956528049).

122575402188081 is a wasteful number, since it uses less digits than its factorization.

122575402188081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619489132015 (or 13619489132012 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The spelling of 122575402188081 in words is "one hundred twenty-two trillion, five hundred seventy-five billion, four hundred two million, one hundred eighty-eight thousand, eighty-one".