1085603 has 8 divisors (see below), whose sum is σ = 1210320. Its totient is φ = 967680.

The previous prime is 1085587. The next prime is 1085611. The reversal of 1085603 is 3065801.

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

It is a cyclic number.

It is not a de Polignac number, because 1085603 - 2⁴ = 1085587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (151290).

2^1085603 is an apocalyptic number.

1085603 is a deficient number, since it is larger than the sum of its proper divisors (124717).

1085603 is a wasteful number, since it uses less digits than its factorization.

1085603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1085603 is about 1041.9227418576. The cubic root of 1085603 is about 102.7756766932.

The spelling of 1085603 in words is "one million, eighty-five thousand, six hundred three".