104565221 has 8 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 103898080.

The previous prime is 104565203. The next prime is 104565229. The reversal of 104565221 is 122565401.

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 104565221 - 2⁶ = 104565157 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 (104565229) 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, 200441 + ... + 200961.

It is an arithmetic number, because the mean of its divisors is an integer number (13154400).

Almost surely, 2^104565221 is an apocalyptic number.

It is an amenable number.

104565221 is a deficient number, since it is larger than the sum of its proper divisors (669979).

104565221 is an equidigital number, since it uses as much as digits as its factorization.

104565221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 104565221 is about 10225.7137159222. The cubic root of 104565221 is about 471.1173371081.

It can be divided in two parts, 1045 and 65221, that added together give a palindrome (66266).

The spelling of 104565221 in words is "one hundred four million, five hundred sixty-five thousand, two hundred twenty-one".