Adding to 1012303 its reverse (3032101), we get a palindrome (4044404).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1012303 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 1012303.
It is a congruent number.
21012303 is an apocalyptic number.
1012303 is an equidigital number, since it uses as much as digits as its factorization.
1012303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617.
The square root of 1012303 is about 1006.1326950259. The cubic root of 1012303 is about 100.4084295817.
The spelling of 1012303 in words is "one million, twelve thousand, three hundred three".