1002042003 has 8 divisors (see below), whose sum is σ = 1336670208. Its totient is φ = 667720904.

The previous prime is 1002042001. The next prime is 1002042037. The reversal of 1002042003 is 3002402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002042003 - 2¹ = 1002042001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002042003.

It is not an unprimeable number, because it can be changed into a prime (1002042001) 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 in 7 ways as a sum of consecutive naturals, for example, 69051 + ... + 82292.

It is an arithmetic number, because the mean of its divisors is an integer number (167083776).

Almost surely, 2^1002042003 is an apocalyptic number.

1002042003 is a deficient number, since it is larger than the sum of its proper divisors (334628205).

1002042003 is a wasteful number, since it uses less digits than its factorization.

1002042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153553.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1002042003 is about 31655.0470383476. The cubic root of 1002042003 is about 1000.6802048831.

Adding to 1002042003 its reverse (3002402001), we get a palindrome (4004444004).

The spelling of 1002042003 in words is "one billion, two million, forty-two thousand, three".