104401081 has 2 divisors, whose sum is σ = 104401082. Its totient is φ = 104401080.

The previous prime is 104401057. The next prime is 104401091. The reversal of 104401081 is 180104401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 50979600 = 7309^2 + 7140^2 .

It is a cyclic number.

It is not a de Polignac number, because 104401081 - 2⁵ = 104401049 is a prime.

It is a super-2 number, since 2×104401081² = 21799171427937122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104401001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52200540 + 52200541.

It is an arithmetic number, because the mean of its divisors is an integer number (52200541).

Almost surely, 2^104401081 is an apocalyptic number.

It is an amenable number.

104401081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104401081 is an equidigital number, since it uses as much as digits as its factorization.

104401081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 104401081 is about 10217.6847181737. The cubic root of 104401081 is about 470.8706977492.

Adding to 104401081 its reverse (180104401), we get a palindrome (284505482).

The spelling of 104401081 in words is "one hundred four million, four hundred one thousand, eighty-one".