122238230928 has 160 divisors (see below), whose sum is σ = 354940710912. Its totient is φ = 35932108800.

The previous prime is 122238230921. The next prime is 122238230953. The reversal of 122238230928 is 829032832221.

122238230928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 122238230928.

It is not an unprimeable number, because it can be changed into a prime (122238230921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2782413 + ... + 2826003.

Almost surely, 2^122238230928 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 122238230928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177470355456).

122238230928 is an abundant number, since it is smaller than the sum of its proper divisors (232702479984).

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

122238230928 is a wasteful number, since it uses less digits than its factorization.

122238230928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773 (or 43767 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 122238230928 in words is "one hundred twenty-two billion, two hundred thirty-eight million, two hundred thirty thousand, nine hundred twenty-eight".