1224564 has 24 divisors (see below), whose sum is σ = 3117408. Its totient is φ = 371040.

The previous prime is 1224533. The next prime is 1224577. The reversal of 1224564 is 4654221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (129892).

2^1224564 is an apocalyptic number.

It is an amenable number.

1224564 is an abundant number, since it is smaller than the sum of its proper divisors (1892844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224564 is a wasteful number, since it uses less digits than its factorization.

1224564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295 (or 9293 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1224564 is about 1106.6001988071. The cubic root of 1224564 is about 106.9860522769.

Adding to 1224564 its reverse (4654221), we get a palindrome (5878785).

The spelling of 1224564 in words is "one million, two hundred twenty-four thousand, five hundred sixty-four".