10127681 has 4 divisors (see below), whose sum is σ = 10226112. Its totient is φ = 10029252.

The previous prime is 10127671. The next prime is 10127683. The reversal of 10127681 is 18672101.

10127681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10127681 - 2⁶ = 10127617 is a prime.

It is a super-2 number, since 2×10127681² = 205139844875522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10127681.

It is not an unprimeable number, because it can be changed into a prime (10127683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49061 + ... + 49266.

It is an arithmetic number, because the mean of its divisors is an integer number (2556528).

Almost surely, 2^10127681 is an apocalyptic number.

It is an amenable number.

10127681 is a deficient number, since it is larger than the sum of its proper divisors (98431).

10127681 is an equidigital number, since it uses as much as digits as its factorization.

10127681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98430.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 10127681 is about 3182.4017659623. The cubic root of 10127681 is about 216.3565285331.

Adding to 10127681 its reverse (18672101), we get a palindrome (28799782).

The spelling of 10127681 in words is "ten million, one hundred twenty-seven thousand, six hundred eighty-one".