1109868 has 12 divisors (see below), whose sum is σ = 2589720. Its totient is φ = 369952.

The previous prime is 1109861. The next prime is 1109869. The reversal of 1109868 is 8689011.

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

It is not an unprimeable number, because it can be changed into a prime (1109861) 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, 46233 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (215810).

2^1109868 is an apocalyptic number.

It is an amenable number.

1109868 is an abundant number, since it is smaller than the sum of its proper divisors (1479852).

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

1109868 is a wasteful number, since it uses less digits than its factorization.

1109868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92496 (or 92494 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1109868 is about 1053.5027289950. The cubic root of 1109868 is about 103.5357760986.

The spelling of 1109868 in words is "one million, one hundred nine thousand, eight hundred sixty-eight".