104108681 has 2 divisors, whose sum is σ = 104108682. Its totient is φ = 104108680.

The previous prime is 104108597. The next prime is 104108689. The reversal of 104108681 is 186801401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 781456 = 10165^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 104108681 - 2²² = 99914377 is a prime.

It is a super-2 number, since 2×104108681² = 21677234919119522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104108689) 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, 52054340 + 52054341.

It is an arithmetic number, because the mean of its divisors is an integer number (52054341).

Almost surely, 2^104108681 is an apocalyptic number.

It is an amenable number.

104108681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104108681 is an equidigital number, since it uses as much as digits as its factorization.

104108681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 104108681 is about 10203.3661602434. The cubic root of 104108681 is about 470.4306916730.

It can be divided in two parts, 10410 and 8681, that added together give a palindrome (19091).

The spelling of 104108681 in words is "one hundred four million, one hundred eight thousand, six hundred eighty-one".