104020243 has 4 divisors (see below), whose sum is σ = 104658568. Its totient is φ = 103381920.

The previous prime is 104020223. The next prime is 104020261. The reversal of 104020243 is 342020401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342020401 = 41 ⋅8341961.

It is a cyclic number.

It is not a de Polignac number, because 104020243 - 2⁵ = 104020211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318918 + ... + 319243.

It is an arithmetic number, because the mean of its divisors is an integer number (26164642).

Almost surely, 2^104020243 is an apocalyptic number.

104020243 is a deficient number, since it is larger than the sum of its proper divisors (638325).

104020243 is an equidigital number, since it uses as much as digits as its factorization.

104020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638324.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 104020243 is about 10199.0314736253. The cubic root of 104020243 is about 470.2974471468.

Adding to 104020243 its reverse (342020401), we get a palindrome (446040644).

The spelling of 104020243 in words is "one hundred four million, twenty thousand, two hundred forty-three".