1002003143 has 2 divisors, whose sum is σ = 1002003144. Its totient is φ = 1002003142.

The previous prime is 1002003131. The next prime is 1002003151. The reversal of 1002003143 is 3413002001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3413002001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002003143 - 2⁴ = 1002003127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002093143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501001571 + 501001572.

It is an arithmetic number, because the mean of its divisors is an integer number (501001572).

Almost surely, 2^1002003143 is an apocalyptic number.

1002003143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002003143 is an equidigital number, since it uses as much as digits as its factorization.

1002003143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002003143 is about 31654.4332282226. The cubic root of 1002003143 is about 1000.6672689864.

Adding to 1002003143 its reverse (3413002001), we get a palindrome (4415005144).

The spelling of 1002003143 in words is "one billion, two million, three thousand, one hundred forty-three".