100540003 has 4 divisors (see below), whose sum is σ = 102679200. Its totient is φ = 98400808.

The previous prime is 100539997. The next prime is 100540009. The reversal of 100540003 is 300045001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100539997) and next prime (100540009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100540003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100540009) 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 3 ways as a sum of consecutive naturals, for example, 1069528 + ... + 1069621.

It is an arithmetic number, because the mean of its divisors is an integer number (25669800).

Almost surely, 2^100540003 is an apocalyptic number.

100540003 is a deficient number, since it is larger than the sum of its proper divisors (2139197).

100540003 is an equidigital number, since it uses as much as digits as its factorization.

100540003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139196.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100540003 is about 10026.9637976807. The cubic root of 100540003 is about 464.9928745969.

Adding to 100540003 its reverse (300045001), we get a palindrome (400585004).

The spelling of 100540003 in words is "one hundred million, five hundred forty thousand, three".