122613613 has 2 divisors, whose sum is σ = 122613614. Its totient is φ = 122613612.

The previous prime is 122613607. The next prime is 122613619. The reversal of 122613613 is 316316221.

It is a balanced prime because it is at equal distance from previous prime (122613607) and next prime (122613619).

It can be written as a sum of positive squares in only one way, i.e., 71876484 + 50737129 = 8478^2 + 7123^2 .

It is a cyclic number.

It is not a de Polignac number, because 122613613 - 2¹⁷ = 122482541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122613619) 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, 61306806 + 61306807.

It is an arithmetic number, because the mean of its divisors is an integer number (61306807).

Almost surely, 2^122613613 is an apocalyptic number.

It is an amenable number.

122613613 is a deficient number, since it is larger than the sum of its proper divisors (1).

122613613 is an equidigital number, since it uses as much as digits as its factorization.

122613613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 122613613 is about 11073.1031332685. The cubic root of 122613613 is about 496.7976848070.

Adding to 122613613 its reverse (316316221), we get a palindrome (438929834).

The spelling of 122613613 in words is "one hundred twenty-two million, six hundred thirteen thousand, six hundred thirteen".