122616657 has 12 divisors (see below), whose sum is σ = 184813824. Its totient is φ = 78190200.

The previous prime is 122616653. The next prime is 122616667. The reversal of 122616657 is 756616221.

It is a happy number.

It is not a de Polignac number, because 122616657 - 2² = 122616653 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (122616653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295969 + ... + 296382.

It is an arithmetic number, because the mean of its divisors is an integer number (15401152).

Almost surely, 2^122616657 is an apocalyptic number.

It is an amenable number.

122616657 is a deficient number, since it is larger than the sum of its proper divisors (62197167).

122616657 is a wasteful number, since it uses less digits than its factorization.

122616657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592380 (or 592377 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 122616657 is about 11073.2405825937. The cubic root of 122616657 is about 496.8017959320.

The spelling of 122616657 in words is "one hundred twenty-two million, six hundred sixteen thousand, six hundred fifty-seven".