104403181 has 2 divisors, whose sum is σ = 104403182. Its totient is φ = 104403180.

The previous prime is 104403149. The next prime is 104403193. The reversal of 104403181 is 181304401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 50893956 = 7315^2 + 7134^2 .

It is a cyclic number.

It is not a de Polignac number, because 104403181 - 2⁵ = 104403149 is a prime.

It is a super-2 number, since 2×104403181² = 21800048405837522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104403281) 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, 52201590 + 52201591.

It is an arithmetic number, because the mean of its divisors is an integer number (52201591).

Almost surely, 2^104403181 is an apocalyptic number.

It is an amenable number.

104403181 is a deficient number, since it is larger than the sum of its proper divisors (1).

104403181 is an equidigital number, since it uses as much as digits as its factorization.

104403181 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 104403181 is about 10217.7874806633. The cubic root of 104403181 is about 470.8738548743.

Adding to 104403181 its reverse (181304401), we get a palindrome (285707582).

The spelling of 104403181 in words is "one hundred four million, four hundred three thousand, one hundred eighty-one".