100002003 has 8 divisors (see below), whose sum is σ = 133425408. Its totient is φ = 66623304.

The previous prime is 100001987. The next prime is 100002011. The reversal of 100002003 is 300200001.

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

It is not a de Polignac number, because 100002003 - 2⁴ = 100001987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001982 and 100002000.

It is not an unprimeable number, because it can be changed into a prime (100002013) 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 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 15192.

It is an arithmetic number, because the mean of its divisors is an integer number (16678176).

Almost surely, 2^100002003 is an apocalyptic number.

100002003 is a deficient number, since it is larger than the sum of its proper divisors (33423405).

100002003 is a wasteful number, since it uses less digits than its factorization.

100002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22353.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 100002003 is about 10000.1001494985. The cubic root of 100002003 is about 464.1619823747.

Adding to 100002003 its reverse (300200001), we get a palindrome (400202004).

The spelling of 100002003 in words is "one hundred million, two thousand, three".