122713477 has 2 divisors, whose sum is σ = 122713478. Its totient is φ = 122713476.

The previous prime is 122713421. The next prime is 122713483. The reversal of 122713477 is 774317221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75186241 + 47527236 = 8671^2 + 6894^2 .

It is a cyclic number.

It is not a de Polignac number, because 122713477 - 2¹¹ = 122711429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122713417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61356738 + 61356739.

It is an arithmetic number, because the mean of its divisors is an integer number (61356739).

Almost surely, 2^122713477 is an apocalyptic number.

It is an amenable number.

122713477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122713477 is an equidigital number, since it uses as much as digits as its factorization.

122713477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 122713477 is about 11077.6115205400. The cubic root of 122713477 is about 496.9325223122.

The spelling of 122713477 in words is "one hundred twenty-two million, seven hundred thirteen thousand, four hundred seventy-seven".