128284 has 12 divisors (see below), whose sum is σ = 241864. Its totient is φ = 59184.

The previous prime is 128273. The next prime is 128287. The reversal of 128284 is 482821.

It is a super-3 number, since 3×128284³ = 6333426488430912, which contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 1285.

2¹²⁸²⁸⁴ is an apocalyptic number.

It is an amenable number.

128284 is a deficient number, since it is larger than the sum of its proper divisors (113580).

128284 is a wasteful number, since it uses less digits than its factorization.

128284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2482 counting only the distinct ones).

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

The square root of 128284 is about 358.1675585533. The cubic root of 128284 is about 50.4340871279.

Subtracting from 128284 its product of digits (1024), we obtain a triangular number (127260 = T₅₀₄).

The spelling of 128284 in words is "one hundred twenty-eight thousand, two hundred eighty-four".