104203111 has 4 divisors (see below), whose sum is σ = 104426712. Its totient is φ = 103979512.

The previous prime is 104203109. The next prime is 104203117. The reversal of 104203111 is 111302401.

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

It is a cyclic number.

It is not a de Polignac number, because 104203111 - 2¹ = 104203109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104203091 and 104203100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104203117) 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 3 ways as a sum of consecutive naturals, for example, 111100 + ... + 112033.

It is an arithmetic number, because the mean of its divisors is an integer number (26106678).

Almost surely, 2^104203111 is an apocalyptic number.

104203111 is a deficient number, since it is larger than the sum of its proper divisors (223601).

104203111 is an equidigital number, since it uses as much as digits as its factorization.

104203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223600.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 104203111 is about 10207.9925058750. The cubic root of 104203111 is about 470.5728807315.

Adding to 104203111 its reverse (111302401), we get a palindrome (215505512).

It can be divided in two parts, 10420 and 3111, that added together give a palindrome (13531).

The spelling of 104203111 in words is "one hundred four million, two hundred three thousand, one hundred eleven".