128480896 has 16 divisors (see below), whose sum is σ = 255958290. Its totient is φ = 64240384.

The previous prime is 128480881. The next prime is 128480923. The reversal of 128480896 is 698084821.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 2143296 = 11240^2 + 1464^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501751 + ... + 502006.

Almost surely, 2^128480896 is an apocalyptic number.

128480896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128480896 is a deficient number, since it is larger than the sum of its proper divisors (127477394).

128480896 is an equidigital number, since it uses as much as digits as its factorization.

128480896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003771 (or 1003759 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 128480896 is about 11334.9413761166. The cubic root of 128480896 is about 504.5987676616.

The spelling of 128480896 in words is "one hundred twenty-eight million, four hundred eighty thousand, eight hundred ninety-six".