122562552171 has 4 divisors (see below), whose sum is σ = 163416736232. Its totient is φ = 81708368112.

The previous prime is 122562552157. The next prime is 122562552199. The reversal of 122562552171 is 171255265221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171255265221 = 3 ⋅57085088407.

It is not a de Polignac number, because 122562552171 - 2⁵ = 122562552139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122562552571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20427092026 + ... + 20427092031.

It is an arithmetic number, because the mean of its divisors is an integer number (40854184058).

Almost surely, 2^122562552171 is an apocalyptic number.

122562552171 is a deficient number, since it is larger than the sum of its proper divisors (40854184061).

122562552171 is an equidigital number, since it uses as much as digits as its factorization.

122562552171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40854184060.

The product of its digits is 84000, while the sum is 39.

The spelling of 122562552171 in words is "one hundred twenty-two billion, five hundred sixty-two million, five hundred fifty-two thousand, one hundred seventy-one".