104426681 has 2 divisors, whose sum is σ = 104426682. Its totient is φ = 104426680.

The previous prime is 104426671. The next prime is 104426701. The reversal of 104426681 is 186624401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104366656 + 60025 = 10216^2 + 245^2 .

It is an emirp because it is prime and its reverse (186624401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104426681 - 2¹⁴ = 104410297 is a prime.

It is a super-2 number, since 2×104426681² = 21809863409351522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104426671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52213340 + 52213341.

It is an arithmetic number, because the mean of its divisors is an integer number (52213341).

Almost surely, 2^104426681 is an apocalyptic number.

It is an amenable number.

104426681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104426681 is an equidigital number, since it uses as much as digits as its factorization.

104426681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 104426681 is about 10218.9373713709. The cubic root of 104426681 is about 470.9091817208.

The spelling of 104426681 in words is "one hundred four million, four hundred twenty-six thousand, six hundred eighty-one".