100104503 has 4 divisors (see below), whose sum is σ = 100545720. Its totient is φ = 99663288.

The previous prime is 100104481. The next prime is 100104509. The reversal of 100104503 is 305401001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305401001 = 29 ⋅10531069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100104503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100104509) 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 3 ways as a sum of consecutive naturals, for example, 220268 + ... + 220721.

It is an arithmetic number, because the mean of its divisors is an integer number (25136430).

Almost surely, 2^100104503 is an apocalyptic number.

100104503 is a deficient number, since it is larger than the sum of its proper divisors (441217).

100104503 is an equidigital number, since it uses as much as digits as its factorization.

100104503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441216.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100104503 is about 10005.2237856032. The cubic root of 100104503 is about 464.3205137241.

Adding to 100104503 its reverse (305401001), we get a palindrome (405505504).

The spelling of 100104503 in words is "one hundred million, one hundred four thousand, five hundred three".