1224304 has 10 divisors (see below), whose sum is σ = 2372120. Its totient is φ = 612144.

The previous prime is 1224299. The next prime is 1224329. The reversal of 1224304 is 4034221.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 76519 = 1224304 / (1 + 2 + 2 + 4 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38244 + ... + 38275.

It is an arithmetic number, because the mean of its divisors is an integer number (237212).

2^1224304 is an apocalyptic number.

It is an amenable number.

1224304 is a deficient number, since it is larger than the sum of its proper divisors (1147816).

1224304 is an equidigital number, since it uses as much as digits as its factorization.

1224304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76527 (or 76521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1224304 is about 1106.4827156354. The cubic root of 1224304 is about 106.9784799648.

Adding to 1224304 its reverse (4034221), we get a palindrome (5258525).

The spelling of 1224304 in words is "one million, two hundred twenty-four thousand, three hundred four".