104134421 has 6 divisors (see below), whose sum is σ = 109904022. Its totient is φ = 98653320.

The previous prime is 104134379. The next prime is 104134439. The reversal of 104134421 is 124431401.

It can be written as a sum of positive squares in only one way, i.e., 56040196 + 48094225 = 7486^2 + 6935^2 .

It is not a de Polignac number, because 104134421 - 2⁶ = 104134357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104134393 and 104134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104134321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143870 + ... + 144591.

It is an arithmetic number, because the mean of its divisors is an integer number (18317337).

Almost surely, 2^104134421 is an apocalyptic number.

It is an amenable number.

104134421 is a deficient number, since it is larger than the sum of its proper divisors (5769601).

104134421 is an equidigital number, since it uses as much as digits as its factorization.

104134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288499 (or 288480 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104134421 is about 10204.6274307296. The cubic root of 104134421 is about 470.4694584953.

Adding to 104134421 its reverse (124431401), we get a palindrome (228565822).

The spelling of 104134421 in words is "one hundred four million, one hundred thirty-four thousand, four hundred twenty-one".