104121103 has 4 divisors (see below), whose sum is σ = 106542568. Its totient is φ = 101699640.

The previous prime is 104121079. The next prime is 104121109. The reversal of 104121103 is 301121401.

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 104121103 - 2¹⁷ = 103990031 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 (104121109) 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, 1210668 + ... + 1210753.

It is an arithmetic number, because the mean of its divisors is an integer number (26635642).

Almost surely, 2^104121103 is an apocalyptic number.

104121103 is a deficient number, since it is larger than the sum of its proper divisors (2421465).

104121103 is an equidigital number, since it uses as much as digits as its factorization.

104121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421464.

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

The square root of 104121103 is about 10203.9748627679. The cubic root of 104121103 is about 470.4494011524.

Adding to 104121103 its reverse (301121401), we get a palindrome (405242504).

The spelling of 104121103 in words is "one hundred four million, one hundred twenty-one thousand, one hundred three".