1002030243 has 16 divisors (see below), whose sum is σ = 1408194720. Its totient is φ = 632812544.

The previous prime is 1002030241. The next prime is 1002030287. The reversal of 1002030243 is 3420302001.

It is a cyclic number.

It is not a de Polignac number, because 1002030243 - 2¹ = 1002030241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002030241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104046 + ... + 113267.

It is an arithmetic number, because the mean of its divisors is an integer number (88012170).

Almost surely, 2^1002030243 is an apocalyptic number.

1002030243 is a deficient number, since it is larger than the sum of its proper divisors (406164477).

1002030243 is a wasteful number, since it uses less digits than its factorization.

1002030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217398.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1002030243 is about 31654.8612854329. The cubic root of 1002030243 is about 1000.6762901951.

Adding to 1002030243 its reverse (3420302001), we get a palindrome (4422332244).

The spelling of 1002030243 in words is "one billion, two million, thirty thousand, two hundred forty-three".