128546 has 8 divisors (see below), whose sum is σ = 210384. Its totient is φ = 58420.

The previous prime is 128521. The next prime is 128549. The reversal of 128546 is 645821.

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

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (128549) 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, 2900 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (26298).

2¹²⁸⁵⁴⁶ is an apocalyptic number.

128546 is a deficient number, since it is larger than the sum of its proper divisors (81838).

128546 is a wasteful number, since it uses less digits than its factorization.

128546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its digits is 1920, while the sum is 26.

The square root of 128546 is about 358.5331225982. The cubic root of 128546 is about 50.4683983575.

It can be divided in two parts, 1285 and 46, that added together give a palindrome (1331).

The spelling of 128546 in words is "one hundred twenty-eight thousand, five hundred forty-six".