1012803 has 16 divisors (see below), whose sum is σ = 1506816. Its totient is φ = 599840.

The previous prime is 1012789. The next prime is 1012811. The reversal of 1012803 is 3082101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012803 - 2⁵ = 1012771 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (94176).

2^1012803 is an apocalyptic number.

1012803 is a deficient number, since it is larger than the sum of its proper divisors (494013).

1012803 is a wasteful number, since it uses less digits than its factorization.

1012803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1012803 is about 1006.3811405228. The cubic root of 1012803 is about 100.4249582137.

Adding to 1012803 its reverse (3082101), we get a palindrome (4094904).

The spelling of 1012803 in words is "one million, twelve thousand, eight hundred three".