122717 has 8 divisors (see below), whose sum is σ = 143616. Its totient is φ = 102672.

The previous prime is 122701. The next prime is 122719. The reversal of 122717 is 717221.

122717 is nontrivially palindromic in base 15.

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 122717 - 2⁴ = 122701 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122719) 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 in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (17952).

2¹²²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

122717 is a deficient number, since it is larger than the sum of its proper divisors (20899).

122717 is an equidigital number, since it uses as much as digits as its factorization.

122717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 196, while the sum is 20.

The square root of 122717 is about 350.3098628357. The cubic root of 122717 is about 49.6937277771.

Adding to 122717 its reverse (717221), we get a palindrome (839938).

The spelling of 122717 in words is "one hundred twenty-two thousand, seven hundred seventeen", and thus it is an iban number.