104030221 has 4 divisors (see below), whose sum is σ = 107617500. Its totient is φ = 100442944.

The previous prime is 104030209. The next prime is 104030233. The reversal of 104030221 is 122030401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122030401 = 8581 ⋅14221.

It is an interprime number because it is at equal distance from previous prime (104030209) and next prime (104030233).

It can be written as a sum of positive squares in 2 ways, for example, as 49196196 + 54834025 = 7014^2 + 7405^2 .

It is a cyclic number.

It is not a de Polignac number, because 104030221 - 2⁵ = 104030189 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 (104030821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793596 + ... + 1793653.

It is an arithmetic number, because the mean of its divisors is an integer number (26904375).

Almost surely, 2^104030221 is an apocalyptic number.

It is an amenable number.

104030221 is a deficient number, since it is larger than the sum of its proper divisors (3587279).

104030221 is an equidigital number, since it uses as much as digits as its factorization.

104030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587278.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 104030221 is about 10199.5206259902. The cubic root of 104030221 is about 470.3124842132.

Adding to 104030221 its reverse (122030401), we get a palindrome (226060622).

The spelling of 104030221 in words is "one hundred four million, thirty thousand, two hundred twenty-one".