104220321 has 8 divisors (see below), whose sum is σ = 139021920. Its totient is φ = 69449472.

The previous prime is 104220257. The next prime is 104220323. The reversal of 104220321 is 123022401.

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

It is not a de Polignac number, because 104220321 - 2⁶ = 104220257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104220321.

It is not an unprimeable number, because it can be changed into a prime (104220323) 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, 1950 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (17377740).

Almost surely, 2^104220321 is an apocalyptic number.

It is an amenable number.

104220321 is a deficient number, since it is larger than the sum of its proper divisors (34801599).

104220321 is a wasteful number, since it uses less digits than its factorization.

104220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104220321 is about 10208.8354379919. The cubic root of 104220321 is about 470.5987856314.

Adding to 104220321 its reverse (123022401), we get a palindrome (227242722).

The spelling of 104220321 in words is "one hundred four million, two hundred twenty thousand, three hundred twenty-one".