122577223 has 2 divisors, whose sum is σ = 122577224. Its totient is φ = 122577222.

The previous prime is 122577211. The next prime is 122577239. The reversal of 122577223 is 322775221.

It is a weak prime.

It is an emirp because it is prime and its reverse (322775221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122577223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122577283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61288611 + 61288612.

It is an arithmetic number, because the mean of its divisors is an integer number (61288612).

Almost surely, 2^122577223 is an apocalyptic number.

122577223 is a deficient number, since it is larger than the sum of its proper divisors (1).

122577223 is an equidigital number, since it uses as much as digits as its factorization.

122577223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 122577223 is about 11071.4598405088. The cubic root of 122577223 is about 496.7485324166.

The spelling of 122577223 in words is "one hundred twenty-two million, five hundred seventy-seven thousand, two hundred twenty-three".