128056000 has 56 divisors (see below), whose sum is σ = 317150496. Its totient is φ = 51219200.

The previous prime is 128055937. The next prime is 128056013. The reversal of 128056000 is 650821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 16003.

Almost surely, 2^128056000 is an apocalyptic number.

128056000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128056000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158575248).

128056000 is an abundant number, since it is smaller than the sum of its proper divisors (189094496).

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

128056000 is an equidigital number, since it uses as much as digits as its factorization.

128056000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16034 (or 16014 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 128056000 is about 11316.1831020888. The cubic root of 128056000 is about 504.0419046371.

The spelling of 128056000 in words is "one hundred twenty-eight million, fifty-six thousand".