122356601 has 2 divisors, whose sum is σ = 122356602. Its totient is φ = 122356600.

The previous prime is 122356589. The next prime is 122356603. The reversal of 122356601 is 106653221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 55950400 = 8149^2 + 7480^2 .

It is an emirp because it is prime and its reverse (106653221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122356601 - 2¹⁰ = 122355577 is a prime.

It is a super-2 number, since 2×122356601² = 29942275616546402, which contains 22 as substring.

Together with 122356603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122356603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61178300 + 61178301.

It is an arithmetic number, because the mean of its divisors is an integer number (61178301).

Almost surely, 2^122356601 is an apocalyptic number.

It is an amenable number.

122356601 is a deficient number, since it is larger than the sum of its proper divisors (1).

122356601 is an equidigital number, since it uses as much as digits as its factorization.

122356601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122356601 is about 11061.4918071660. The cubic root of 122356601 is about 496.4503272825.

The spelling of 122356601 in words is "one hundred twenty-two million, three hundred fifty-six thousand, six hundred one".