1113544 has 16 divisors (see below), whose sum is σ = 2108700. Its totient is φ = 551232.

The previous prime is 1113527. The next prime is 1113557. The reversal of 1113544 is 4453111.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 36100 = 1038^2 + 190^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 1510.

2^1113544 is an apocalyptic number.

It is an amenable number.

1113544 is a deficient number, since it is larger than the sum of its proper divisors (995156).

1113544 is a wasteful number, since it uses less digits than its factorization.

1113544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1388 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 1113544 is about 1055.2459428967. The cubic root of 1113544 is about 103.6499572719.

Adding to 1113544 its reverse (4453111), we get a palindrome (5566655).

It can be divided in two parts, 111 and 3544, that added together give a triangular number (3655 = T₈₅).

The spelling of 1113544 in words is "one million, one hundred thirteen thousand, five hundred forty-four".