122647317 has 16 divisors (see below), whose sum is σ = 178593408. Its totient is φ = 74410560.

The previous prime is 122647307. The next prime is 122647361. The reversal of 122647317 is 713746221.

It is not a de Polignac number, because 122647317 - 2¹⁴ = 122630933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122647307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19378 + ... + 24915.

It is an arithmetic number, because the mean of its divisors is an integer number (11162088).

Almost surely, 2^122647317 is an apocalyptic number.

It is an amenable number.

122647317 is a deficient number, since it is larger than the sum of its proper divisors (55946091).

122647317 is a wasteful number, since it uses less digits than its factorization.

122647317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44380.

The product of its digits is 14112, while the sum is 33.

The square root of 122647317 is about 11074.6249146416. The cubic root of 122647317 is about 496.8432005123.

The spelling of 122647317 in words is "one hundred twenty-two million, six hundred forty-seven thousand, three hundred seventeen".