122535613 has 2 divisors, whose sum is σ = 122535614. Its totient is φ = 122535612.

The previous prime is 122535607. The next prime is 122535661. The reversal of 122535613 is 316535221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 14417209 = 10398^2 + 3797^2 .

It is an emirp because it is prime and its reverse (316535221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122535613 - 2¹³ = 122527421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122535713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61267806 + 61267807.

It is an arithmetic number, because the mean of its divisors is an integer number (61267807).

Almost surely, 2^122535613 is an apocalyptic number.

It is an amenable number.

122535613 is a deficient number, since it is larger than the sum of its proper divisors (1).

122535613 is an equidigital number, since it uses as much as digits as its factorization.

122535613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 122535613 is about 11069.5805250244. The cubic root of 122535613 is about 496.6923173896.

The spelling of 122535613 in words is "one hundred twenty-two million, five hundred thirty-five thousand, six hundred thirteen".