104055221 has 4 divisors (see below), whose sum is σ = 105608352. Its totient is φ = 102502092.

The previous prime is 104055209. The next prime is 104055233. The reversal of 104055221 is 122550401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122550401 = 37 ⋅3312173.

It is an interprime number because it is at equal distance from previous prime (104055209) and next prime (104055233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104055221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104055193 and 104055202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104055241) 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, 776465 + ... + 776598.

It is an arithmetic number, because the mean of its divisors is an integer number (26402088).

Almost surely, 2^104055221 is an apocalyptic number.

It is an amenable number.

104055221 is a deficient number, since it is larger than the sum of its proper divisors (1553131).

104055221 is an equidigital number, since it uses as much as digits as its factorization.

104055221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553130.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 104055221 is about 10200.7461001635. The cubic root of 104055221 is about 470.3501555433.

The spelling of 104055221 in words is "one hundred four million, fifty-five thousand, two hundred twenty-one".