104837221 has 4 divisors (see below), whose sum is σ = 105505132. Its totient is φ = 104169312.

The previous prime is 104837207. The next prime is 104837237. The reversal of 104837221 is 122738401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122738401 = 2851 ⋅43051.

It can be written as a sum of positive squares in 2 ways, for example, as 30636225 + 74200996 = 5535^2 + 8614^2 .

It is a cyclic number.

It is not a de Polignac number, because 104837221 - 2⁷ = 104837093 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 104837221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104837321) 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, 333720 + ... + 334033.

It is an arithmetic number, because the mean of its divisors is an integer number (26376283).

Almost surely, 2^104837221 is an apocalyptic number.

It is an amenable number.

104837221 is a deficient number, since it is larger than the sum of its proper divisors (667911).

104837221 is an equidigital number, since it uses as much as digits as its factorization.

104837221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667910.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 104837221 is about 10239.0048832882. The cubic root of 104837221 is about 471.5254809869.

The spelling of 104837221 in words is "one hundred four million, eight hundred thirty-seven thousand, two hundred twenty-one".