110239985 has 16 divisors (see below), whose sum is σ = 141467472. Its totient is φ = 82176000.

The previous prime is 110239981. The next prime is 110240023. The reversal of 110239985 is 589932011.

It can be written as a sum of positive squares in 8 ways, for example, as 13256881 + 96983104 = 3641^2 + 9848^2 .

It is not a de Polignac number, because 110239985 - 2² = 110239981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110239981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2165 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (8841717).

Almost surely, 2^110239985 is an apocalyptic number.

It is an amenable number.

110239985 is a deficient number, since it is larger than the sum of its proper divisors (31227487).

110239985 is a wasteful number, since it uses less digits than its factorization.

110239985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 110239985 is about 10499.5230844072. The cubic root of 110239985 is about 479.4901777337.

The spelling of 110239985 in words is "one hundred ten million, two hundred thirty-nine thousand, nine hundred eighty-five".