122066657 has 2 divisors, whose sum is σ = 122066658. Its totient is φ = 122066656.

The previous prime is 122066629. The next prime is 122066671. The reversal of 122066657 is 756660221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121969936 + 96721 = 11044^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 122066657 - 2²⁰ = 121018081 is a prime.

It is not a weakly prime, because it can be changed into another prime (122066627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61033328 + 61033329.

It is an arithmetic number, because the mean of its divisors is an integer number (61033329).

Almost surely, 2^122066657 is an apocalyptic number.

It is an amenable number.

122066657 is a deficient number, since it is larger than the sum of its proper divisors (1).

122066657 is an equidigital number, since it uses as much as digits as its factorization.

122066657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 122066657 is about 11048.3780257556. The cubic root of 122066657 is about 496.0578770153.

The spelling of 122066657 in words is "one hundred twenty-two million, sixty-six thousand, six hundred fifty-seven".