122317617 has 4 divisors (see below), whose sum is σ = 163090160. Its totient is φ = 81545076.

The previous prime is 122317607. The next prime is 122317619. The reversal of 122317617 is 716713221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-122317617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122317619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20386267 + ... + 20386272.

It is an arithmetic number, because the mean of its divisors is an integer number (40772540).

Almost surely, 2^122317617 is an apocalyptic number.

It is an amenable number.

122317617 is a deficient number, since it is larger than the sum of its proper divisors (40772543).

122317617 is an equidigital number, since it uses as much as digits as its factorization.

122317617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40772542.

The product of its digits is 3528, while the sum is 30.

The square root of 122317617 is about 11059.7295174882. The cubic root of 122317617 is about 496.3975970520.

The spelling of 122317617 in words is "one hundred twenty-two million, three hundred seventeen thousand, six hundred seventeen".