128482 has 8 divisors (see below), whose sum is σ = 194256. Its totient is φ = 63732.

The previous prime is 128477. The next prime is 128483. The reversal of 128482 is 284821.

It is a sphenic number, since it is the product of 3 distinct primes.

Its product of digits (1024) is a multiple of the sum of its prime divisors (512).

It is not an unprimeable number, because it can be changed into a prime (128483) by changing a digit.

128482 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313 + ... + 595.

It is an arithmetic number, because the mean of its divisors is an integer number (24282).

2¹²⁸⁴⁸² is an apocalyptic number.

128482 is the 227-th heptagonal number.

128482 is a deficient number, since it is larger than the sum of its proper divisors (65774).

128482 is a wasteful number, since it uses less digits than its factorization.

128482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

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

The square root of 128482 is about 358.4438589235. The cubic root of 128482 is about 50.4600212949.

The spelling of 128482 in words is "one hundred twenty-eight thousand, four hundred eighty-two".