122914947 has 16 divisors (see below), whose sum is σ = 175219200. Its totient is φ = 76371072.

The previous prime is 122914931. The next prime is 122914973. The reversal of 122914947 is 749419221.

It is not a de Polignac number, because 122914947 - 2⁴ = 122914931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122918947) 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, 6447 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (10951200).

Almost surely, 2^122914947 is an apocalyptic number.

122914947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122914947 is a deficient number, since it is larger than the sum of its proper divisors (52304253).

122914947 is a wasteful number, since it uses less digits than its factorization.

122914947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23522.

The product of its digits is 36288, while the sum is 39.

The square root of 122914947 is about 11086.7013579333. The cubic root of 122914947 is about 497.2043268909.

The spelling of 122914947 in words is "one hundred twenty-two million, nine hundred fourteen thousand, nine hundred forty-seven".