122398667 has 2 divisors, whose sum is σ = 122398668. Its totient is φ = 122398666.

The previous prime is 122398651. The next prime is 122398681. The reversal of 122398667 is 766893221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122398667 - 2⁴ = 122398651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122398687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61199333 + 61199334.

It is an arithmetic number, because the mean of its divisors is an integer number (61199334).

Almost surely, 2^122398667 is an apocalyptic number.

122398667 is a deficient number, since it is larger than the sum of its proper divisors (1).

122398667 is an equidigital number, since it uses as much as digits as its factorization.

122398667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 122398667 is about 11063.3931051916. The cubic root of 122398667 is about 496.5072137017.

The spelling of 122398667 in words is "one hundred twenty-two million, three hundred ninety-eight thousand, six hundred sixty-seven".