1045903 has 2 divisors, whose sum is σ = 1045904. Its totient is φ = 1045902.

The previous prime is 1045859. The next prime is 1045907. The reversal of 1045903 is 3095401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1045903 - 2⁹ = 1045391 is a prime.

It is a super-3 number, since 3×1045903³ = 3432380933305587981, which contains 333 as substring.

It is equal to p₈₁₈₄₁ and since 1045903 and 81841 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522951 + 522952.

It is an arithmetic number, because the mean of its divisors is an integer number (522952).

2^1045903 is an apocalyptic number.

1045903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045903 is an equidigital number, since it uses as much as digits as its factorization.

1045903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1045903 is about 1022.6939913777. The cubic root of 1045903 is about 101.5072673095.

The spelling of 1045903 in words is "one million, forty-five thousand, nine hundred three".