1108825 has 12 divisors (see below), whose sum is σ = 1456380. Its totient is φ = 834560.

The previous prime is 1108823. The next prime is 1108867. The reversal of 1108825 is 5288011.

It can be written as a sum of positive squares in 6 ways, for example, as 16 + 1108809 = 4^2 + 1053^2 .

It is not a de Polignac number, because 1108825 - 2¹ = 1108823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1108825.

It is not an unprimeable number, because it can be changed into a prime (1108823) 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 11 ways as a sum of consecutive naturals, for example, 880 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (121365).

2^1108825 is an apocalyptic number.

It is an amenable number.

1108825 is a deficient number, since it is larger than the sum of its proper divisors (347555).

1108825 is a wasteful number, since it uses less digits than its factorization.

1108825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1108825 is about 1053.0075973135. The cubic root of 1108825 is about 103.5033333038.

The spelling of 1108825 in words is "one million, one hundred eight thousand, eight hundred twenty-five".