104401091 has 2 divisors, whose sum is σ = 104401092. Its totient is φ = 104401090.

The previous prime is 104401081. The next prime is 104401111. The reversal of 104401091 is 190104401.

It is an a-pointer prime, because the next prime (104401111) can be obtained adding 104401091 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104401091 - 2¹⁰ = 104400067 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52200545 + 52200546.

It is an arithmetic number, because the mean of its divisors is an integer number (52200546).

Almost surely, 2^104401091 is an apocalyptic number.

104401091 is a deficient number, since it is larger than the sum of its proper divisors (1).

104401091 is an equidigital number, since it uses as much as digits as its factorization.

104401091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 104401091 is about 10217.6852075213. The cubic root of 104401091 is about 470.8707127832.

Adding to 104401091 its reverse (190104401), we get a palindrome (294505492).

The spelling of 104401091 in words is "one hundred four million, four hundred one thousand, ninety-one".