122522681 has 2 divisors, whose sum is σ = 122522682. Its totient is φ = 122522680.

The previous prime is 122522627. The next prime is 122522683. The reversal of 122522681 is 186225221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 7840000 = 10709^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 122522681 - 2²⁶ = 55413817 is a prime.

It is a super-2 number, since 2×122522681² = 30023614718855522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 122522683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122522683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61261340 + 61261341.

It is an arithmetic number, because the mean of its divisors is an integer number (61261341).

Almost surely, 2^122522681 is an apocalyptic number.

It is an amenable number.

122522681 is a deficient number, since it is larger than the sum of its proper divisors (1).

122522681 is an equidigital number, since it uses as much as digits as its factorization.

122522681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 122522681 is about 11068.9963863035. The cubic root of 122522681 is about 496.6748436912.

The spelling of 122522681 in words is "one hundred twenty-two million, five hundred twenty-two thousand, six hundred eighty-one".