122845313 has 2 divisors, whose sum is σ = 122845314. Its totient is φ = 122845312.

The previous prime is 122845273. The next prime is 122845321. The reversal of 122845313 is 313548221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106337344 + 16507969 = 10312^2 + 4063^2 .

It is a cyclic number.

It is not a de Polignac number, because 122845313 - 2⁶ = 122845249 is a prime.

It is not a weakly prime, because it can be changed into another prime (122845913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61422656 + 61422657.

It is an arithmetic number, because the mean of its divisors is an integer number (61422657).

Almost surely, 2^122845313 is an apocalyptic number.

It is an amenable number.

122845313 is a deficient number, since it is larger than the sum of its proper divisors (1).

122845313 is an equidigital number, since it uses as much as digits as its factorization.

122845313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 122845313 is about 11083.5604838878. The cubic root of 122845313 is about 497.1104167872.

The spelling of 122845313 in words is "one hundred twenty-two million, eight hundred forty-five thousand, three hundred thirteen".