109023971 has 6 divisors (see below), whose sum is σ = 126823860. Its totient is φ = 93449076.

The previous prime is 109023953. The next prime is 109023977. The reversal of 109023971 is 179320901.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-109023971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109023977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112441 + ... + 1112538.

It is an arithmetic number, because the mean of its divisors is an integer number (21137310).

Almost surely, 2^109023971 is an apocalyptic number.

109023971 is a deficient number, since it is larger than the sum of its proper divisors (17799889).

109023971 is an equidigital number, since it uses as much as digits as its factorization.

109023971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224993 (or 2224986 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 109023971 is about 10441.4544484952. The cubic root of 109023971 is about 477.7206326682.

The spelling of 109023971 in words is "one hundred nine million, twenty-three thousand, nine hundred seventy-one".