100103043 has 16 divisors (see below), whose sum is σ = 134974976. Its totient is φ = 65988000.

The previous prime is 100102993. The next prime is 100103053. The reversal of 100103043 is 340301001.

It is not a de Polignac number, because 100103043 - 2⁶ = 100102979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100103053) 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 15 ways as a sum of consecutive naturals, for example, 132918 + ... + 133668.

It is an arithmetic number, because the mean of its divisors is an integer number (8435936).

Almost surely, 2^100103043 is an apocalyptic number.

100103043 is a deficient number, since it is larger than the sum of its proper divisors (34871933).

100103043 is a wasteful number, since it uses less digits than its factorization.

100103043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100103043 is about 10005.1508234509. The cubic root of 100103043 is about 464.3182563790.

Adding to 100103043 its reverse (340301001), we get a palindrome (440404044).

The spelling of 100103043 in words is "one hundred million, one hundred three thousand, forty-three".