128822130724 has 81 divisors (see below), whose sum is σ = 271305516699. Its totient is φ = 53363928240.

The previous prime is 128822130607. The next prime is 128822130743. The reversal of 128822130724 is 427031228821.

The square root of 128822130724 is 358918.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 155769999 + ... + 155770825.

Almost surely, 2^128822130724 is an apocalyptic number.

128822130724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128822130724 is the 358918-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128822130724

128822130724 is an abundant number, since it is smaller than the sum of its proper divisors (142483385975).

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

128822130724 is an frugal number, since it uses more digits than its factorization.

128822130724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 128822130724 in words is "one hundred twenty-eight billion, eight hundred twenty-two million, one hundred thirty thousand, seven hundred twenty-four".