128204 has 6 divisors (see below), whose sum is σ = 224364. Its totient is φ = 64100.

The previous prime is 128203. The next prime is 128213. The reversal of 128204 is 402821.

It is not an unprimeable number, because it can be changed into a prime (128201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16022 + ... + 16029.

It is an arithmetic number, because the mean of its divisors is an integer number (37394).

2¹²⁸²⁰⁴ is an apocalyptic number.

It is an amenable number.

128204 is a deficient number, since it is larger than the sum of its proper divisors (96160).

128204 is a wasteful number, since it uses less digits than its factorization.

128204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32055 (or 32053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 128204 is about 358.0558615635. The cubic root of 128204 is about 50.4236011074.

The spelling of 128204 in words is "one hundred twenty-eight thousand, two hundred four".