109027681 has 16 divisors (see below), whose sum is σ = 138879360. Its totient is φ = 83324160.

The previous prime is 109027669. The next prime is 109027687. The reversal of 109027681 is 186720901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109027681 - 2¹¹ = 109025633 is a prime.

It is a super-2 number, since 2×109027681² = 23774070448475522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109027687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21850 + ... + 26371.

It is an arithmetic number, because the mean of its divisors is an integer number (8679960).

Almost surely, 2^109027681 is an apocalyptic number.

It is an amenable number.

109027681 is a deficient number, since it is larger than the sum of its proper divisors (29851679).

109027681 is a wasteful number, since it uses less digits than its factorization.

109027681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48264.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 109027681 is about 10441.6321042259. The cubic root of 109027681 is about 477.7260514259.

The spelling of 109027681 in words is "one hundred nine million, twenty-seven thousand, six hundred eighty-one".