1030903 has 6 divisors (see below), whose sum is σ = 1053584. Its totient is φ = 1008696.

The previous prime is 1030889. The next prime is 1030919. The reversal of 1030903 is 3090301.

It is a happy number.

It is not a de Polignac number, because 1030903 - 2¹⁷ = 899831 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2626 + ... + 2992.

2^1030903 is an apocalyptic number.

1030903 is a deficient number, since it is larger than the sum of its proper divisors (22681).

1030903 is an frugal number, since it uses more digits than its factorization.

1030903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1030903 is about 1015.3339352154. Note that the first 3 decimals coincide. The cubic root of 1030903 is about 101.0196674440.

The spelling of 1030903 in words is "one million, thirty thousand, nine hundred three".