1085403 has 16 divisors (see below), whose sum is σ = 1631232. Its totient is φ = 636000.

The previous prime is 1085389. The next prime is 1085407. The reversal of 1085403 is 3045801.

It is not a de Polignac number, because 1085403 - 2⁹ = 1084891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1085403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (101952).

2^1085403 is an apocalyptic number.

1085403 is a deficient number, since it is larger than the sum of its proper divisors (545829).

1085403 is a wasteful number, since it uses less digits than its factorization.

1085403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1085403 is about 1041.8267610308. The cubic root of 1085403 is about 102.7693648715.

The spelling of 1085403 in words is "one million, eighty-five thousand, four hundred three".