104104381 has 2 divisors, whose sum is σ = 104104382. Its totient is φ = 104104380.

The previous prime is 104104373. The next prime is 104104387. The reversal of 104104381 is 183401401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 32024281 = 8490^2 + 5659^2 .

It is an emirp because it is prime and its reverse (183401401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104104381 - 2³ = 104104373 is a prime.

It is a super-2 number, since 2×104104381² = 21675444286786322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104104387) 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 as a sum of consecutive naturals, namely, 52052190 + 52052191.

It is an arithmetic number, because the mean of its divisors is an integer number (52052191).

Almost surely, 2^104104381 is an apocalyptic number.

It is an amenable number.

104104381 is a deficient number, since it is larger than the sum of its proper divisors (1).

104104381 is an equidigital number, since it uses as much as digits as its factorization.

104104381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 104104381 is about 10203.1554432930. The cubic root of 104104381 is about 470.4242148522.

Adding to 104104381 its reverse (183401401), we get a palindrome (287505782).

The spelling of 104104381 in words is "one hundred four million, one hundred four thousand, three hundred eighty-one".