122336813 has 2 divisors, whose sum is σ = 122336814. Its totient is φ = 122336812.

The previous prime is 122336807. The next prime is 122336821. The reversal of 122336813 is 318633221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113592964 + 8743849 = 10658^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 122336813 - 2⁶ = 122336749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122336833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61168406 + 61168407.

It is an arithmetic number, because the mean of its divisors is an integer number (61168407).

Almost surely, 2^122336813 is an apocalyptic number.

It is an amenable number.

122336813 is a deficient number, since it is larger than the sum of its proper divisors (1).

122336813 is an equidigital number, since it uses as much as digits as its factorization.

122336813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 122336813 is about 11060.5973166009. The cubic root of 122336813 is about 496.4235631940.

The spelling of 122336813 in words is "one hundred twenty-two million, three hundred thirty-six thousand, eight hundred thirteen".