109066971 has 16 divisors (see below), whose sum is σ = 158165280. Its totient is φ = 66451200.

The previous prime is 109066967. The next prime is 109067003. The reversal of 109066971 is 179660901.

It is not a de Polignac number, because 109066971 - 2² = 109066967 is a prime.

It is a super-2 number, since 2×109066971² = 23791208326229682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (109066961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9906 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (9885330).

Almost surely, 2^109066971 is an apocalyptic number.

109066971 is a deficient number, since it is larger than the sum of its proper divisors (49098309).

109066971 is a wasteful number, since it uses less digits than its factorization.

109066971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27806.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 109066971 is about 10443.5133456132. The cubic root of 109066971 is about 477.7834301336.

The spelling of 109066971 in words is "one hundred nine million, sixty-six thousand, nine hundred seventy-one".