104842081 has 2 divisors, whose sum is σ = 104842082. Its totient is φ = 104842080.

The previous prime is 104842063. The next prime is 104842091. The reversal of 104842081 is 180248401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67387681 + 37454400 = 8209^2 + 6120^2 .

It is a cyclic number.

It is not a de Polignac number, because 104842081 - 2⁷ = 104841953 is a prime.

It is a super-2 number, since 2×104842081² = 21983723896821122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104842061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52421040 + 52421041.

It is an arithmetic number, because the mean of its divisors is an integer number (52421041).

Almost surely, 2^104842081 is an apocalyptic number.

It is an amenable number.

104842081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104842081 is an equidigital number, since it uses as much as digits as its factorization.

104842081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 104842081 is about 10239.2422082887. The cubic root of 104842081 is about 471.5327671346.

The spelling of 104842081 in words is "one hundred four million, eight hundred forty-two thousand, eighty-one".