122638796 has 48 divisors (see below), whose sum is σ = 256737600. Its totient is φ = 50147328.

The previous prime is 122638751. The next prime is 122638801. The reversal of 122638796 is 697836221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71420 + ... + 73116.

It is an arithmetic number, because the mean of its divisors is an integer number (5348700).

Almost surely, 2^122638796 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 122638796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128368800).

122638796 is an abundant number, since it is smaller than the sum of its proper divisors (134098804).

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

122638796 is a wasteful number, since it uses less digits than its factorization.

122638796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 122638796 is about 11074.2401996706. The cubic root of 122638796 is about 496.8316940805.

The spelling of 122638796 in words is "one hundred twenty-two million, six hundred thirty-eight thousand, seven hundred ninety-six".