128802000 has 80 divisors (see below), whose sum is σ = 415276992. Its totient is φ = 34345600.

The previous prime is 128801989. The next prime is 128802019. The reversal of 128802000 is 208821.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 4734 + ... + 16733.

Almost surely, 2^128802000 is an apocalyptic number.

128802000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128802000 is an abundant number, since it is smaller than the sum of its proper divisors (286474992).

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

128802000 is a wasteful number, since it uses less digits than its factorization.

128802000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493 (or 21477 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 128802000 is about 11349.0968803689. The cubic root of 128802000 is about 505.0187883086.

The spelling of 128802000 in words is "one hundred twenty-eight million, eight hundred two thousand".