1183285 has 8 divisors (see below), whose sum is σ = 1503576. Its totient is φ = 890880.

The previous prime is 1183279. The next prime is 1183333. The reversal of 1183285 is 5823811.

It can be written as a sum of positive squares in 4 ways, for example, as 288369 + 894916 = 537^2 + 946^2 .

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

It is not a de Polignac number, because 1183285 - 2³ = 1183277 is a prime.

It is a Duffinian number.

It is a congruent 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, 6876 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (187947).

2^1183285 is an apocalyptic number.

It is an amenable number.

1183285 is a deficient number, since it is larger than the sum of its proper divisors (320291).

1183285 is a wasteful number, since it uses less digits than its factorization.

1183285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943.

The product of its digits is 1920, while the sum is 28.

The square root of 1183285 is about 1087.7890420481. The cubic root of 1183285 is about 105.7701498712.

It can be divided in two parts, 118 and 3285, that added together give a triangular number (3403 = T₈₂).

The spelling of 1183285 in words is "one million, one hundred eighty-three thousand, two hundred eighty-five".