108564971 has 4 divisors (see below), whose sum is σ = 110874912. Its totient is φ = 106255032.

The previous prime is 108564961. The next prime is 108565003. The reversal of 108564971 is 179465801.

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

It is a cyclic number.

It is not a de Polignac number, because 108564971 - 2¹⁰ = 108563947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108564961) 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, 1154900 + ... + 1154993.

It is an arithmetic number, because the mean of its divisors is an integer number (27718728).

Almost surely, 2^108564971 is an apocalyptic number.

108564971 is a deficient number, since it is larger than the sum of its proper divisors (2309941).

108564971 is an equidigital number, since it uses as much as digits as its factorization.

108564971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309940.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 108564971 is about 10419.4515690606. The cubic root of 108564971 is about 477.0492750746.

The spelling of 108564971 in words is "one hundred eight million, five hundred sixty-four thousand, nine hundred seventy-one".