128282200 has 24 divisors (see below), whose sum is σ = 298256580. Its totient is φ = 51312800.

The previous prime is 128282191. The next prime is 128282237. The reversal of 128282200 is 2282821.

It is a super-3 number, since 3×128282200³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320506 + ... + 320905.

Almost surely, 2^128282200 is an apocalyptic number.

128282200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128282200 is an abundant number, since it is smaller than the sum of its proper divisors (169974380).

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

128282200 is a wasteful number, since it uses less digits than its factorization.

128282200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641427 (or 641418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 128282200 is about 11326.1732284121. The cubic root of 128282200 is about 504.3385124036.

The spelling of 128282200 in words is "one hundred twenty-eight million, two hundred eighty-two thousand, two hundred".