122610617 has 4 divisors (see below), whose sum is σ = 122837796. Its totient is φ = 122383440.

The previous prime is 122610601. The next prime is 122610643. The reversal of 122610617 is 716016221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 79852096 = 6539^2 + 8936^2 .

It is a cyclic number.

It is not a de Polignac number, because 122610617 - 2⁴ = 122610601 is a prime.

It is a super-2 number, since 2×122610617² = 30066726802241378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122610517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112778 + ... + 113859.

It is an arithmetic number, because the mean of its divisors is an integer number (30709449).

Almost surely, 2^122610617 is an apocalyptic number.

It is an amenable number.

122610617 is a deficient number, since it is larger than the sum of its proper divisors (227179).

122610617 is an equidigital number, since it uses as much as digits as its factorization.

122610617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227178.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 122610617 is about 11072.9678496779. The cubic root of 122610617 is about 496.7936384429.

Adding to 122610617 its reverse (716016221), we get a palindrome (838626838).

The spelling of 122610617 in words is "one hundred twenty-two million, six hundred ten thousand, six hundred seventeen".