1003163 has 8 divisors (see below), whose sum is σ = 1155840. Its totient is φ = 852840.

The previous prime is 1003141. The next prime is 1003193. The reversal of 1003163 is 3613001.

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 1003163 - 2¹² = 999067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (144480).

2^1003163 is an apocalyptic number.

1003163 is a deficient number, since it is larger than the sum of its proper divisors (152677).

1003163 is a wasteful number, since it uses less digits than its factorization.

1003163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1003163 is about 1001.5802514028. The cubic root of 1003163 is about 100.1053223664.

Adding to 1003163 its reverse (3613001), we get a palindrome (4616164).

The spelling of 1003163 in words is "one million, three thousand, one hundred sixty-three".