1224243 has 6 divisors (see below), whose sum is σ = 1768364. Its totient is φ = 816156.

The previous prime is 1224239. The next prime is 1224257. The reversal of 1224243 is 3424221.

It is not a de Polignac number, because 1224243 - 2² = 1224239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224203) 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 5 ways as a sum of consecutive naturals, for example, 68005 + ... + 68022.

2^1224243 is an apocalyptic number.

1224243 is a deficient number, since it is larger than the sum of its proper divisors (544121).

1224243 is a wasteful number, since it uses less digits than its factorization.

1224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136033 (or 136030 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1224243 is about 1106.4551504693. The cubic root of 1224243 is about 106.9767032286.

Adding to 1224243 its reverse (3424221), we get a palindrome (4648464).

The spelling of 1224243 in words is "one million, two hundred twenty-four thousand, two hundred forty-three".