122615792 has 40 divisors (see below), whose sum is σ = 257743920. Its totient is φ = 56171520.

The previous prime is 122615791. The next prime is 122615803. The reversal of 122615792 is 297516221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122615791) 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, 26792 + ... + 31032.

It is an arithmetic number, because the mean of its divisors is an integer number (6443598).

Almost surely, 2^122615792 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 122615792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128871960).

122615792 is an abundant number, since it is smaller than the sum of its proper divisors (135128128).

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

122615792 is a wasteful number, since it uses less digits than its factorization.

122615792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4395 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 122615792 is about 11073.2015244012. The cubic root of 122615792 is about 496.8006276987.

The spelling of 122615792 in words is "one hundred twenty-two million, six hundred fifteen thousand, seven hundred ninety-two".