1224003 has 16 divisors (see below), whose sum is σ = 1843200. Its totient is φ = 715680.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1224003 is 3004221.

It is not a de Polignac number, because 1224003 - 2⁴ = 1223987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224003.

It is not an unprimeable number, because it can be changed into a prime (1224053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2^1224003 is an apocalyptic number.

1224003 is a deficient number, since it is larger than the sum of its proper divisors (619197).

1224003 is a wasteful number, since it uses less digits than its factorization.

1224003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1224003 is about 1106.3466906897. The cubic root of 1224003 is about 106.9697122182.

Adding to 1224003 its reverse (3004221), we get a palindrome (4228224).

The spelling of 1224003 in words is "one million, two hundred twenty-four thousand, three".