1224633 has 4 divisors (see below), whose sum is σ = 1632848. Its totient is φ = 816420.

The previous prime is 1224599. The next prime is 1224637. The reversal of 1224633 is 3364221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1224633 - 2⁹ = 1224121 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204103 + ... + 204108.

It is an arithmetic number, because the mean of its divisors is an integer number (408212).

2^1224633 is an apocalyptic number.

It is an amenable number.

1224633 is a deficient number, since it is larger than the sum of its proper divisors (408215).

1224633 is an equidigital number, since it uses as much as digits as its factorization.

1224633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408214.

The product of its digits is 864, while the sum is 21.

The square root of 1224633 is about 1106.6313749393. The cubic root of 1224633 is about 106.9880616721.

Adding to 1224633 its reverse (3364221), we get a palindrome (4588854).

The spelling of 1224633 in words is "one million, two hundred twenty-four thousand, six hundred thirty-three".