It is an unprimeable number.
2128300 is an apocalyptic number.
128300 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
128300 is a wasteful number, since it uses less digits than its factorization.
128300 is an evil number, because the sum of its binary digits is even.
The square root of 128300 is about 358.1898937714. The cubic root of 128300 is about 50.4361838088.
The spelling of 128300 in words is "one hundred twenty-eight thousand, three hundred".