125443 has 8 divisors (see below), whose sum is σ = 136512. Its totient is φ = 114816.

The previous prime is 125441. The next prime is 125453. The reversal of 125443 is 344521.

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

It is a cyclic number.

It is not a de Polignac number, because 125443 - 2¹ = 125441 is a prime.

It is a Duffinian number.

125443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 125443.

It is not an unprimeable number, because it can be changed into a prime (125441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (17064).

2¹²⁵⁴⁴³ is an apocalyptic number.

125443 is a deficient number, since it is larger than the sum of its proper divisors (11069).

125443 is a wasteful number, since it uses less digits than its factorization.

125443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 480, while the sum is 19.

The square root of 125443 is about 354.1793331068. The cubic root of 125443 is about 50.0589970263.

Adding to 125443 its reverse (344521), we get a palindrome (469964).

The spelling of 125443 in words is "one hundred twenty-five thousand, four hundred forty-three".