104204121 has 16 divisors (see below), whose sum is σ = 158930304. Its totient is φ = 59491584.

The previous prime is 104204077. The next prime is 104204131. The reversal of 104204121 is 121402401.

It is not a de Polignac number, because 104204121 - 2⁶ = 104204057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104204121.

It is not an unprimeable number, because it can be changed into a prime (104204131) 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 15 ways as a sum of consecutive naturals, for example, 41905 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (9933144).

Almost surely, 2^104204121 is an apocalyptic number.

It is an amenable number.

104204121 is a deficient number, since it is larger than the sum of its proper divisors (54726183).

104204121 is a wasteful number, since it uses less digits than its factorization.

104204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 104204121 is about 10208.0419767946. The cubic root of 104204121 is about 470.5744010863.

Adding to 104204121 its reverse (121402401), we get a palindrome (225606522).

It can be divided in two parts, 10420 and 4121, that added together give a palindrome (14541).

The spelling of 104204121 in words is "one hundred four million, two hundred four thousand, one hundred twenty-one".