122969717 has 8 divisors (see below), whose sum is σ = 134600760. Its totient is φ = 111648960.

The previous prime is 122969683. The next prime is 122969731. The reversal of 122969717 is 717969221.

It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 121308196 = 1289^2 + 11014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122969717 - 2¹⁰ = 122968693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122969797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76742 + ... + 78327.

It is an arithmetic number, because the mean of its divisors is an integer number (16825095).

Almost surely, 2^122969717 is an apocalyptic number.

It is an amenable number.

122969717 is a deficient number, since it is larger than the sum of its proper divisors (11631043).

122969717 is a wasteful number, since it uses less digits than its factorization.

122969717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155143.

The product of its digits is 95256, while the sum is 44.

The square root of 122969717 is about 11089.1711592887. The cubic root of 122969717 is about 497.2781661266.

The spelling of 122969717 in words is "one hundred twenty-two million, nine hundred sixty-nine thousand, seven hundred seventeen".