1224663 has 32 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 668160.

The previous prime is 1224637. The next prime is 1224673. The reversal of 1224663 is 3664221.

It is not a de Polignac number, because 1224663 - 2⁶ = 1224599 is a prime.

1224663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20728 + ... + 20786.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2^1224663 is an apocalyptic number.

1224663 is a deficient number, since it is larger than the sum of its proper divisors (745257).

1224663 is a wasteful number, since it uses less digits than its factorization.

1224663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 1728, while the sum is 24.

The square root of 1224663 is about 1106.6449295054. The cubic root of 1224663 is about 106.9889352986.

Adding to 1224663 its reverse (3664221), we get a palindrome (4888884).

The spelling of 1224663 in words is "one million, two hundred twenty-four thousand, six hundred sixty-three".