1108899 has 24 divisors (see below), whose sum is σ = 1827072. Its totient is φ = 641520.

The previous prime is 1108867. The next prime is 1108903. The reversal of 1108899 is 9988011.

It is not a de Polignac number, because 1108899 - 2⁵ = 1108867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1108819) 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 23 ways as a sum of consecutive naturals, for example, 2034 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (76128).

2^1108899 is an apocalyptic number.

1108899 is a deficient number, since it is larger than the sum of its proper divisors (718173).

1108899 is a wasteful number, since it uses less digits than its factorization.

1108899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1108899 is about 1053.0427341756. The cubic root of 1108899 is about 103.5056357640.

It can be divided in two parts, 110889 and 9, that multiplied together give a square (998001 = 999²).

The spelling of 1108899 in words is "one million, one hundred eight thousand, eight hundred ninety-nine".