104027681 has 2 divisors, whose sum is σ = 104027682. Its totient is φ = 104027680.

The previous prime is 104027663. The next prime is 104027713. The reversal of 104027681 is 186720401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96845281 + 7182400 = 9841^2 + 2680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104027681 is a prime.

It is a super-2 number, since 2×104027681² = 21643516828475522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (104027281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52013840 + 52013841.

It is an arithmetic number, because the mean of its divisors is an integer number (52013841).

Almost surely, 2^104027681 is an apocalyptic number.

It is an amenable number.

104027681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104027681 is an equidigital number, since it uses as much as digits as its factorization.

104027681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 104027681 is about 10199.3961095743. The cubic root of 104027681 is about 470.3086564683.

The spelling of 104027681 in words is "one hundred four million, twenty-seven thousand, six hundred eighty-one".