122522891 has 2 divisors, whose sum is σ = 122522892. Its totient is φ = 122522890.

The previous prime is 122522879. The next prime is 122522899. The reversal of 122522891 is 198225221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122522891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122522899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61261445 + 61261446.

It is an arithmetic number, because the mean of its divisors is an integer number (61261446).

Almost surely, 2^122522891 is an apocalyptic number.

122522891 is a deficient number, since it is larger than the sum of its proper divisors (1).

122522891 is an equidigital number, since it uses as much as digits as its factorization.

122522891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 122522891 is about 11069.0058722543. The cubic root of 122522891 is about 496.6751274527.

The spelling of 122522891 in words is "one hundred twenty-two million, five hundred twenty-two thousand, eight hundred ninety-one".