122752613 has 2 divisors, whose sum is σ = 122752614. Its totient is φ = 122752612.

The previous prime is 122752583. The next prime is 122752657. The reversal of 122752613 is 316257221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118744609 + 4008004 = 10897^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 122752613 - 2⁶ = 122752549 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 (122752913) 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, 61376306 + 61376307.

It is an arithmetic number, because the mean of its divisors is an integer number (61376307).

Almost surely, 2^122752613 is an apocalyptic number.

It is an amenable number.

122752613 is a deficient number, since it is larger than the sum of its proper divisors (1).

122752613 is an equidigital number, since it uses as much as digits as its factorization.

122752613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 122752613 is about 11079.3778254918. The cubic root of 122752613 is about 496.9853442314.

The spelling of 122752613 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, six hundred thirteen".