109885971 has 16 divisors (see below), whose sum is σ = 158022144. Its totient is φ = 67520544.

The previous prime is 109885957. The next prime is 109885981. The reversal of 109885971 is 179588901.

It is not a de Polignac number, because 109885971 - 2⁹ = 109885459 is a prime.

It is a super-2 number, since 2×109885971² = 24149853245225682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109885971.

It is not an unprimeable number, because it can be changed into a prime (109885921) 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, 30550 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (9876384).

Almost surely, 2^109885971 is an apocalyptic number.

109885971 is a deficient number, since it is larger than the sum of its proper divisors (48136173).

109885971 is a wasteful number, since it uses less digits than its factorization.

109885971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250.

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 109885971 is about 10482.6509528840. The cubic root of 109885971 is about 478.9763645807.

The spelling of 109885971 in words is "one hundred nine million, eight hundred eighty-five thousand, nine hundred seventy-one".