122394657 has 16 divisors (see below), whose sum is σ = 203461632. Its totient is φ = 63581520.

The previous prime is 122394653. The next prime is 122394673. The reversal of 122394657 is 756493221.

It is not a de Polignac number, because 122394657 - 2² = 122394653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122394653) 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, 264693 + ... + 265154.

It is an arithmetic number, because the mean of its divisors is an integer number (12716352).

Almost surely, 2^122394657 is an apocalyptic number.

It is an amenable number.

122394657 is a deficient number, since it is larger than the sum of its proper divisors (81066975).

122394657 is a wasteful number, since it uses less digits than its factorization.

122394657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529868.

The product of its digits is 90720, while the sum is 39.

The square root of 122394657 is about 11063.2118754004. The cubic root of 122394657 is about 496.5017914867.

The spelling of 122394657 in words is "one hundred twenty-two million, three hundred ninety-four thousand, six hundred fifty-seven".