1089185 has 8 divisors (see below), whose sum is σ = 1349376. Its totient is φ = 843120.

The previous prime is 1089161. The next prime is 1089191. The reversal of 1089185 is 5819801.

It is a happy number.

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

It is not a de Polignac number, because 1089185 - 2¹⁰ = 1088161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (168672).

2^1089185 is an apocalyptic number.

It is an amenable number.

1089185 is a deficient number, since it is larger than the sum of its proper divisors (260191).

1089185 is an equidigital number, since it uses as much as digits as its factorization.

1089185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1089185 is about 1043.6402636924. The cubic root of 1089185 is about 102.8885903806. Note that the first 3 decimals are identical.

The spelling of 1089185 in words is "one million, eighty-nine thousand, one hundred eighty-five".