122791553248 has 192 divisors, whose sum is σ = 317532192768. Its totient is φ = 45357096960.

The previous prime is 122791553189. The next prime is 122791553281. The reversal of 122791553248 is 842355197221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6277243 + ... + 6296773.

It is an arithmetic number, because the mean of its divisors is an integer number (1653813504).

Almost surely, 2^122791553248 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 122791553248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158766096384).

122791553248 is an abundant number, since it is smaller than the sum of its proper divisors (194740639520).

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

122791553248 is a wasteful number, since it uses less digits than its factorization.

122791553248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705 (or 19697 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The spelling of 122791553248 in words is "one hundred twenty-two billion, seven hundred ninety-one million, five hundred fifty-three thousand, two hundred forty-eight".