1113568 has 48 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 495616.

The previous prime is 1113557. The next prime is 1113569. The reversal of 1113568 is 8653111.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12468 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2^1113568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224720).

1113568 is an abundant number, since it is smaller than the sum of its proper divisors (1335872).

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

1113568 is a wasteful number, since it uses less digits than its factorization.

1113568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1113568 is about 1055.2573145920. The cubic root of 1113568 is about 103.6507019157.

Adding to 1113568 its reverse (8653111), we get a palindrome (9766679).

It can be divided in two parts, 1113 and 568, that added together give a square (1681 = 41²).

The spelling of 1113568 in words is "one million, one hundred thirteen thousand, five hundred sixty-eight".