122713317 has 6 divisors (see below), whose sum is σ = 177252582. Its totient is φ = 81808872.

The previous prime is 122713313. The next prime is 122713319. The reversal of 122713317 is 713317221.

It can be written as a sum of positive squares in only one way, i.e., 119049921 + 3663396 = 10911^2 + 1914^2 .

It is not a de Polignac number, because 122713317 - 2² = 122713313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122713313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6817398 + ... + 6817415.

It is an arithmetic number, because the mean of its divisors is an integer number (29542097).

Almost surely, 2^122713317 is an apocalyptic number.

It is an amenable number.

122713317 is a deficient number, since it is larger than the sum of its proper divisors (54539265).

122713317 is a wasteful number, since it uses less digits than its factorization.

122713317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634819 (or 13634816 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 122713317 is about 11077.6042987642. The cubic root of 122713317 is about 496.9323063369.

The spelling of 122713317 in words is "one hundred twenty-two million, seven hundred thirteen thousand, three hundred seventeen".