122717407 has 8 divisors (see below), whose sum is σ = 130599216. Its totient is φ = 114909312.

The previous prime is 122717381. The next prime is 122717411. The reversal of 122717407 is 704717221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122717407 - 2⁷ = 122717279 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 (122717107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14973 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (16324902).

Almost surely, 2^122717407 is an apocalyptic number.

122717407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122717407 is a deficient number, since it is larger than the sum of its proper divisors (7881809).

122717407 is a wasteful number, since it uses less digits than its factorization.

122717407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36857.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 122717407 is about 11077.7889039284. The cubic root of 122717407 is about 496.9378271464.

The spelling of 122717407 in words is "one hundred twenty-two million, seven hundred seventeen thousand, four hundred seven".