1065803 has 4 divisors (see below), whose sum is σ = 1078728. Its totient is φ = 1052880.

The previous prime is 1065791. The next prime is 1065809. The reversal of 1065803 is 3085601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1065803 - 2⁴ = 1065787 is a prime.

It is a super-2 number, since 2×1065803² = 2271872069618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6338 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (269682).

2^1065803 is an apocalyptic number.

1065803 is a deficient number, since it is larger than the sum of its proper divisors (12925).

1065803 is an equidigital number, since it uses as much as digits as its factorization.

1065803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924.

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

The square root of 1065803 is about 1032.3773534905. The cubic root of 1065803 is about 102.1470070433.

The spelling of 1065803 in words is "one million, sixty-five thousand, eight hundred three".