128227204 has 24 divisors (see below), whose sum is σ = 262420928. Its totient is φ = 53676000.

The previous prime is 128227199. The next prime is 128227217. The reversal of 128227204 is 402722821.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 52047 + ... + 54454.

Almost surely, 2^128227204 is an apocalyptic number.

128227204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128227204 is an abundant number, since it is smaller than the sum of its proper divisors (134193724).

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

128227204 is a wasteful number, since it uses less digits than its factorization.

128227204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106555 (or 106553 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 128227204 is about 11323.7451401910. The cubic root of 128227204 is about 504.2664302664.

The spelling of 128227204 in words is "one hundred twenty-eight million, two hundred twenty-seven thousand, two hundred four".