128828760 has 32 divisors (see below), whose sum is σ = 386486640. Its totient is φ = 34354304.

The previous prime is 128828747. The next prime is 128828761. The reversal of 128828760 is 67828821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128828761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536667 + ... + 536906.

Almost surely, 2^128828760 is an apocalyptic number.

128828760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128828760 is an abundant number, since it is smaller than the sum of its proper divisors (257657880).

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

128828760 is a wasteful number, since it uses less digits than its factorization.

128828760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073587 (or 1073583 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 128828760 is about 11350.2757675750. The cubic root of 128828760 is about 505.0537602474.

The spelling of 128828760 in words is "one hundred twenty-eight million, eight hundred twenty-eight thousand, seven hundred sixty".