128163200 has 144 divisors (see below), whose sum is σ = 349053180. Its totient is φ = 46464000.

The previous prime is 128163197. The next prime is 128163239. The reversal of 128163200 is 2361821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 387035 + ... + 387365.

Almost surely, 2^128163200 is an apocalyptic number.

128163200 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 128163200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174526590).

128163200 is an abundant number, since it is smaller than the sum of its proper divisors (220889980).

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

128163200 is a wasteful number, since it uses less digits than its factorization.

128163200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 128163200 is about 11320.9186906364. The cubic root of 128163200 is about 504.1825155716.

The spelling of 128163200 in words is "one hundred twenty-eight million, one hundred sixty-three thousand, two hundred".