122994217 has 4 divisors (see below), whose sum is σ = 123319120. Its totient is φ = 122669316.

The previous prime is 122994203. The next prime is 122994229. The reversal of 122994217 is 712499221.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122994217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122994247) 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, 161883 + ... + 162640.

It is an arithmetic number, because the mean of its divisors is an integer number (30829780).

Almost surely, 2^122994217 is an apocalyptic number.

It is an amenable number.

122994217 is a deficient number, since it is larger than the sum of its proper divisors (324903).

122994217 is an equidigital number, since it uses as much as digits as its factorization.

122994217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324902.

The product of its digits is 18144, while the sum is 37.

The square root of 122994217 is about 11090.2757855700. The cubic root of 122994217 is about 497.3111891785.

The spelling of 122994217 in words is "one hundred twenty-two million, nine hundred ninety-four thousand, two hundred seventeen".