1324243 has 4 divisors (see below), whose sum is σ = 1393960. Its totient is φ = 1254528.

The previous prime is 1324223. The next prime is 1324261. The reversal of 1324243 is 3424231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 69697 = 1324243 / (1 + 3 + 2 + 4 + 2 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1324243.

It is not an unprimeable number, because it can be changed into a prime (1324223) 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, 34830 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (348490).

2^1324243 is an apocalyptic number.

1324243 is a deficient number, since it is larger than the sum of its proper divisors (69717).

1324243 is an equidigital number, since it uses as much as digits as its factorization.

1324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69716.

The product of its digits is 576, while the sum is 19.

The square root of 1324243 is about 1150.7575765555. The cubic root of 1324243 is about 109.8135408642.

Adding to 1324243 its reverse (3424231), we get a palindrome (4748474).

The spelling of 1324243 in words is "one million, three hundred twenty-four thousand, two hundred forty-three".