122635321 has 2 divisors, whose sum is σ = 122635322. Its totient is φ = 122635320.

The previous prime is 122635309. The next prime is 122635327. The reversal of 122635321 is 123536221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61795321 + 60840000 = 7861^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 122635321 - 2¹⁵ = 122602553 is a prime.

It is not a weakly prime, because it can be changed into another prime (122635327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61317660 + 61317661.

It is an arithmetic number, because the mean of its divisors is an integer number (61317661).

Almost surely, 2^122635321 is an apocalyptic number.

It is an amenable number.

122635321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122635321 is an equidigital number, since it uses as much as digits as its factorization.

122635321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 122635321 is about 11074.0833029195. The cubic root of 122635321 is about 496.8270014207.

The spelling of 122635321 in words is "one hundred twenty-two million, six hundred thirty-five thousand, three hundred twenty-one".