122660269 has 2 divisors, whose sum is σ = 122660270. Its totient is φ = 122660268.

The previous prime is 122660243. The next prime is 122660281. The reversal of 122660269 is 962066221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87198244 + 35462025 = 9338^2 + 5955^2 .

It is an emirp because it is prime and its reverse (962066221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122660269 - 2²¹ = 120563117 is a prime.

It is a super-2 number, since 2×122660269² = 30091083182304722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122660299) 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 as a sum of consecutive naturals, namely, 61330134 + 61330135.

It is an arithmetic number, because the mean of its divisors is an integer number (61330135).

Almost surely, 2^122660269 is an apocalyptic number.

It is an amenable number.

122660269 is a deficient number, since it is larger than the sum of its proper divisors (1).

122660269 is an equidigital number, since it uses as much as digits as its factorization.

122660269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 122660269 is about 11075.2096594150. The cubic root of 122660269 is about 496.8606893760.

The spelling of 122660269 in words is "one hundred twenty-two million, six hundred sixty thousand, two hundred sixty-nine".