100003871 has 8 divisors (see below), whose sum is σ = 110322000. Its totient is φ = 89890240.

The previous prime is 100003867. The next prime is 100003873. The reversal of 100003871 is 178300001.

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

It is not a de Polignac number, because 100003871 - 2² = 100003867 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 (100003873) 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, 50096 + ... + 52053.

It is an arithmetic number, because the mean of its divisors is an integer number (13790250).

Almost surely, 2^100003871 is an apocalyptic number.

100003871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100003871 is a deficient number, since it is larger than the sum of its proper divisors (10318129).

100003871 is a wasteful number, since it uses less digits than its factorization.

100003871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102249.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 100003871 is about 10000.1935481270. The cubic root of 100003871 is about 464.1648724808.

Adding to 100003871 its reverse (178300001), we get a palindrome (278303872).

The spelling of 100003871 in words is "one hundred million, three thousand, eight hundred seventy-one".