122660117 has 4 divisors (see below), whose sum is σ = 129875436. Its totient is φ = 115444800.

The previous prime is 122660099. The next prime is 122660129. The reversal of 122660117 is 711066221.

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 109014481 + 13645636 = 10441^2 + 3694^2 .

It is a cyclic number.

It is not a de Polignac number, because 122660117 - 2¹⁰ = 122659093 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 (122660137) 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, 3607634 + ... + 3607667.

It is an arithmetic number, because the mean of its divisors is an integer number (32468859).

Almost surely, 2^122660117 is an apocalyptic number.

122660117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122660117 is a deficient number, since it is larger than the sum of its proper divisors (7215319).

122660117 is an equidigital number, since it uses as much as digits as its factorization.

122660117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215318.

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

The square root of 122660117 is about 11075.2027972403. The cubic root of 122660117 is about 496.8604841401.

The spelling of 122660117 in words is "one hundred twenty-two million, six hundred sixty thousand, one hundred seventeen".