107126681 has 4 divisors (see below), whose sum is σ = 107147700. Its totient is φ = 107105664.

The previous prime is 107126647. The next prime is 107126683. The reversal of 107126681 is 186621701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38502025 + 68624656 = 6205^2 + 8284^2 .

It is a cyclic number.

It is not a de Polignac number, because 107126681 - 2²² = 102932377 is a prime.

It is a super-2 number, since 2×107126681² = 22952251564151522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107126683) 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, 2525 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (26786925).

Almost surely, 2^107126681 is an apocalyptic number.

It is an amenable number.

107126681 is a deficient number, since it is larger than the sum of its proper divisors (21019).

107126681 is an equidigital number, since it uses as much as digits as its factorization.

107126681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21018.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 107126681 is about 10350.2019787055. The cubic root of 107126681 is about 474.9332220067.

The spelling of 107126681 in words is "one hundred seven million, one hundred twenty-six thousand, six hundred eighty-one".