1244564 has 12 divisors (see below), whose sum is σ = 2253300. Its totient is φ = 600768.

The previous prime is 1244543. The next prime is 1244567. The reversal of 1244564 is 4654421.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 448900 = 892^2 + 670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5249 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (187775).

2^1244564 is an apocalyptic number.

It is an amenable number.

1244564 is a deficient number, since it is larger than the sum of its proper divisors (1008736).

1244564 is a wasteful number, since it uses less digits than its factorization.

1244564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762 (or 10760 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1244564 is about 1115.6002868411. The cubic root of 1244564 is about 107.5653541668.

Adding to 1244564 its reverse (4654421), we get a palindrome (5898985).

The spelling of 1244564 in words is "one million, two hundred forty-four thousand, five hundred sixty-four".