104321321 has 8 divisors (see below), whose sum is σ = 112527240. Its totient is φ = 96141312.

The previous prime is 104321309. The next prime is 104321351. The reversal of 104321321 is 123123401.

It can be written as a sum of positive squares in 4 ways, for example, as 5040025 + 99281296 = 2245^2 + 9964^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104321321 - 2¹⁰ = 104320297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104321321.

It is not an unprimeable number, because it can be changed into a prime (104321351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (14065905).

Almost surely, 2^104321321 is an apocalyptic number.

It is an amenable number.

104321321 is a deficient number, since it is larger than the sum of its proper divisors (8205919).

104321321 is a wasteful number, since it uses less digits than its factorization.

104321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12955.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104321321 is about 10213.7809355791. The cubic root of 104321321 is about 470.7507557757.

Adding to 104321321 its reverse (123123401), we get a palindrome (227444722).

The spelling of 104321321 in words is "one hundred four million, three hundred twenty-one thousand, three hundred twenty-one".