1002003047 has 2 divisors, whose sum is σ = 1002003048. Its totient is φ = 1002003046.

The previous prime is 1002002993. The next prime is 1002003053. The reversal of 1002003047 is 7403002001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002003047 - 2¹² = 1001998951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002000047) 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, 501001523 + 501001524.

It is an arithmetic number, because the mean of its divisors is an integer number (501001524).

Almost surely, 2^1002003047 is an apocalyptic number.

1002003047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002003047 is an equidigital number, since it uses as much as digits as its factorization.

1002003047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1002003047 is about 31654.4317118472. The cubic root of 1002003047 is about 1000.6672370291.

Adding to 1002003047 its reverse (7403002001), we get a palindrome (8405005048).

The spelling of 1002003047 in words is "one billion, two million, three thousand, forty-seven".