1118568 has 64 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 319680.

The previous prime is 1118567. The next prime is 1118569. The reversal of 1118568 is 8658111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1118567) and next prime (1118569).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1118563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4905 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^1118568 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 1118568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1118568 is an abundant number, since it is smaller than the sum of its proper divisors (2107032).

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

1118568 is a wasteful number, since it uses less digits than its factorization.

1118568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its digits is 1920, while the sum is 30.

The square root of 1118568 is about 1057.6237516244. The cubic root of 1118568 is about 103.8056033298.

The spelling of 1118568 in words is "one million, one hundred eighteen thousand, five hundred sixty-eight".