1145003 has 2 divisors, whose sum is σ = 1145004. Its totient is φ = 1145002.

The previous prime is 1144993. The next prime is 1145021. The reversal of 1145003 is 3005411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145003 - 2⁶ = 1144939 is a prime.

It is a super-2 number, since 2×1145003² = 2622063740018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1145093) 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 as a sum of consecutive naturals, namely, 572501 + 572502.

It is an arithmetic number, because the mean of its divisors is an integer number (572502).

2^1145003 is an apocalyptic number.

1145003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145003 is an equidigital number, since it uses as much as digits as its factorization.

1145003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1145003 is about 1070.0481297587. The cubic root of 1145003 is about 104.6169870302.

The spelling of 1145003 in words is "one million, one hundred forty-five thousand, three".