122393171 has 2 divisors, whose sum is σ = 122393172. Its totient is φ = 122393170.

The previous prime is 122393147. The next prime is 122393207. The reversal of 122393171 is 171393221.

It is a weak prime.

It is an emirp because it is prime and its reverse (171393221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122393171 - 2⁶ = 122393107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122393101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61196585 + 61196586.

It is an arithmetic number, because the mean of its divisors is an integer number (61196586).

Almost surely, 2^122393171 is an apocalyptic number.

122393171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122393171 is an equidigital number, since it uses as much as digits as its factorization.

122393171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 122393171 is about 11063.1447156765. The cubic root of 122393171 is about 496.4997821270.

Subtracting 122393171 from its reverse (171393221), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 122393171 in words is "one hundred twenty-two million, three hundred ninety-three thousand, one hundred seventy-one".