104303021 has 4 divisors (see below), whose sum is σ = 104538912. Its totient is φ = 104067132.

The previous prime is 104303009. The next prime is 104303051. The reversal of 104303021 is 120303401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104303021 - 2¹⁸ = 104040877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104302987 and 104303005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104303051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117281 + ... + 118166.

It is an arithmetic number, because the mean of its divisors is an integer number (26134728).

Almost surely, 2^104303021 is an apocalyptic number.

It is an amenable number.

104303021 is a deficient number, since it is larger than the sum of its proper divisors (235891).

104303021 is an equidigital number, since it uses as much as digits as its factorization.

104303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235890.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 104303021 is about 10212.8850478207. The cubic root of 104303021 is about 470.7232278696.

Adding to 104303021 its reverse (120303401), we get a palindrome (224606422).

The spelling of 104303021 in words is "one hundred four million, three hundred three thousand, twenty-one".