122897392 has 40 divisors (see below), whose sum is σ = 247857152. Its totient is φ = 58968000.

The previous prime is 122897323. The next prime is 122897399. The reversal of 122897392 is 293798221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122897399) 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, 62017 + ... + 63967.

Almost surely, 2^122897392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122897392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123928576).

122897392 is an abundant number, since it is smaller than the sum of its proper divisors (124959760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122897392 is a wasteful number, since it uses less digits than its factorization.

122897392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2111 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 122897392 is about 11085.9096153631. The cubic root of 122897392 is about 497.1806551359.

The spelling of 122897392 in words is "one hundred twenty-two million, eight hundred ninety-seven thousand, three hundred ninety-two".