100010503 has 8 divisors (see below), whose sum is σ = 101217456. Its totient is φ = 98808000.

The previous prime is 100010497. The next prime is 100010527. The reversal of 100010503 is 305010001.

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 100010503 - 2²¹ = 97913351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100010503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69075 + ... + 70507.

It is an arithmetic number, because the mean of its divisors is an integer number (12652182).

Almost surely, 2^100010503 is an apocalyptic number.

100010503 is a deficient number, since it is larger than the sum of its proper divisors (1206953).

100010503 is a wasteful number, since it uses less digits than its factorization.

100010503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 100010503 is about 10000.5251362116. The cubic root of 100010503 is about 464.1751329949.

Adding to 100010503 its reverse (305010001), we get a palindrome (405020504).

The spelling of 100010503 in words is "one hundred million, ten thousand, five hundred three".