122945171 has 2 divisors, whose sum is σ = 122945172. Its totient is φ = 122945170.

The previous prime is 122945153. The next prime is 122945227. The reversal of 122945171 is 171549221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122945171 - 2¹⁰ = 122944147 is a prime.

It is not a weakly prime, because it can be changed into another prime (122945111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61472585 + 61472586.

It is an arithmetic number, because the mean of its divisors is an integer number (61472586).

Almost surely, 2^122945171 is an apocalyptic number.

122945171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122945171 is an equidigital number, since it uses as much as digits as its factorization.

122945171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 122945171 is about 11088.0643486589. The cubic root of 122945171 is about 497.2450766733.

The spelling of 122945171 in words is "one hundred twenty-two million, nine hundred forty-five thousand, one hundred seventy-one".