128803488 has 96 divisors (see below), whose sum is σ = 371008512. Its totient is φ = 38803200.

The previous prime is 128803483. The next prime is 128803501. The reversal of 128803488 is 884308821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×128803488² = 33180677041932288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128803483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298633 + ... + 299063.

It is an arithmetic number, because the mean of its divisors is an integer number (3864672).

Almost surely, 2^128803488 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 128803488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185504256).

128803488 is an abundant number, since it is smaller than the sum of its proper divisors (242205024).

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

128803488 is a wasteful number, since it uses less digits than its factorization.

128803488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 128803488 is about 11349.1624360567. The cubic root of 128803488 is about 505.0207330638.

The spelling of 128803488 in words is "one hundred twenty-eight million, eight hundred three thousand, four hundred eighty-eight".