122800913 has 2 divisors, whose sum is σ = 122800914. Its totient is φ = 122800912.

The previous prime is 122800903. The next prime is 122800943. The reversal of 122800913 is 319008221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67699984 + 55100929 = 8228^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 122800913 - 2⁴ = 122800897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122800903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61400456 + 61400457.

It is an arithmetic number, because the mean of its divisors is an integer number (61400457).

Almost surely, 2^122800913 is an apocalyptic number.

It is an amenable number.

122800913 is a deficient number, since it is larger than the sum of its proper divisors (1).

122800913 is an equidigital number, since it uses as much as digits as its factorization.

122800913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 122800913 is about 11081.5573364036. The cubic root of 122800913 is about 497.0505193394.

The spelling of 122800913 in words is "one hundred twenty-two million, eight hundred thousand, nine hundred thirteen".