122838961171 has 4 divisors (see below), whose sum is σ = 124105342312. Its totient is φ = 121572580032.

The previous prime is 122838961129. The next prime is 122838961187. The reversal of 122838961171 is 171169838221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171169838221 = 17 ⋅10068814013.

It is a cyclic number.

It is not a de Polignac number, because 122838961171 - 2¹¹ = 122838959123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122838961871) 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, 633190425 + ... + 633190618.

It is an arithmetic number, because the mean of its divisors is an integer number (31026335578).

Almost surely, 2^122838961171 is an apocalyptic number.

122838961171 is a deficient number, since it is larger than the sum of its proper divisors (1266381141).

122838961171 is an equidigital number, since it uses as much as digits as its factorization.

122838961171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266381140.

The product of its digits is 290304, while the sum is 49.

The spelling of 122838961171 in words is "one hundred twenty-two billion, eight hundred thirty-eight million, nine hundred sixty-one thousand, one hundred seventy-one".