1109085 has 8 divisors (see below), whose sum is σ = 1774560. Its totient is φ = 591504.

The previous prime is 1109057. The next prime is 1109113. The reversal of 1109085 is 5809011.

It is an interprime number because it is at equal distance from previous prime (1109057) and next prime (1109113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1109085 - 2⁶ = 1109021 is a prime.

It is a Curzon number.

1109085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36955 + ... + 36984.

It is an arithmetic number, because the mean of its divisors is an integer number (221820).

2^1109085 is an apocalyptic number.

1109085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1109085 is a deficient number, since it is larger than the sum of its proper divisors (665475).

1109085 is an equidigital number, since it uses as much as digits as its factorization.

1109085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73947.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1109085 is about 1053.1310459767. The cubic root of 1109085 is about 103.5114225765.

It can be divided in two parts, 11090 and 85, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 1109085 in words is "one million, one hundred nine thousand, eighty-five".