122395877 has 2 divisors, whose sum is σ = 122395878. Its totient is φ = 122395876.

The previous prime is 122395859. The next prime is 122395879. The reversal of 122395877 is 778593221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105863521 + 16532356 = 10289^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 122395877 - 2⁶ = 122395813 is a prime.

Together with 122395879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122395879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61197938 + 61197939.

It is an arithmetic number, because the mean of its divisors is an integer number (61197939).

Almost surely, 2^122395877 is an apocalyptic number.

It is an amenable number.

122395877 is a deficient number, since it is larger than the sum of its proper divisors (1).

122395877 is an equidigital number, since it uses as much as digits as its factorization.

122395877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 122395877 is about 11063.2670129578. The cubic root of 122395877 is about 496.5034411506.

The spelling of 122395877 in words is "one hundred twenty-two million, three hundred ninety-five thousand, eight hundred seventy-seven".