1118868 has 12 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 372952.

The previous prime is 1118867. The next prime is 1118869. The reversal of 1118868 is 8688111.

It is an interprime number because it is at equal distance from previous prime (1118867) and next prime (1118869).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118861) 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 3 ways as a sum of consecutive naturals, for example, 46608 + ... + 46631.

It is an arithmetic number, because the mean of its divisors is an integer number (217560).

2^1118868 is an apocalyptic number.

It is an amenable number.

1118868 is an abundant number, since it is smaller than the sum of its proper divisors (1491852).

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

1118868 is a wasteful number, since it uses less digits than its factorization.

1118868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93246 (or 93244 counting only the distinct ones).

The product of its digits is 3072, while the sum is 33.

The square root of 1118868 is about 1057.7655694907. The cubic root of 1118868 is about 103.8148827232.

The spelling of 1118868 in words is "one million, one hundred eighteen thousand, eight hundred sixty-eight".