126343 has 4 divisors (see below), whose sum is σ = 144400. Its totient is φ = 108288.

The previous prime is 126341. The next prime is 126349. The reversal of 126343 is 343621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126343 - 2¹ = 126341 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹³ + 3¹⁰ + 6² + 4² + 3¹⁰ .

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 126343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126341) by changing a digit.

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, 9018 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (36100).

2¹²⁶³⁴³ is an apocalyptic number.

126343 is a deficient number, since it is larger than the sum of its proper divisors (18057).

126343 is an equidigital number, since it uses as much as digits as its factorization.

126343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056.

The product of its digits is 432, while the sum is 19.

The square root of 126343 is about 355.4476051403. The cubic root of 126343 is about 50.1784291699.

Adding to 126343 its reverse (343621), we get a palindrome (469964).

The spelling of 126343 in words is "one hundred twenty-six thousand, three hundred forty-three".