122616653 has 2 divisors, whose sum is σ = 122616654. Its totient is φ = 122616652.

The previous prime is 122616643. The next prime is 122616667. The reversal of 122616653 is 356616221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99940009 + 22676644 = 9997^2 + 4762^2 .

It is a cyclic number.

It is not a de Polignac number, because 122616653 - 2⁸ = 122616397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122616623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61308326 + 61308327.

It is an arithmetic number, because the mean of its divisors is an integer number (61308327).

Almost surely, 2^122616653 is an apocalyptic number.

It is an amenable number.

122616653 is a deficient number, since it is larger than the sum of its proper divisors (1).

122616653 is an equidigital number, since it uses as much as digits as its factorization.

122616653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 122616653 is about 11073.2404019781. The cubic root of 122616653 is about 496.8017905297.

The spelling of 122616653 in words is "one hundred twenty-two million, six hundred sixteen thousand, six hundred fifty-three".