109848249 has 18 divisors (see below), whose sum is σ = 184575690. Its totient is φ = 62770176.

The previous prime is 109848247. The next prime is 109848293. The reversal of 109848249 is 942848901.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 45158400 = 8043^2 + 6720^2 .

It is not a de Polignac number, because 109848249 - 2¹ = 109848247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109848241) 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 17 ways as a sum of consecutive naturals, for example, 124104 + ... + 124985.

It is an arithmetic number, because the mean of its divisors is an integer number (10254205).

Almost surely, 2^109848249 is an apocalyptic number.

It is an amenable number.

109848249 is a deficient number, since it is larger than the sum of its proper divisors (74727441).

109848249 is a wasteful number, since it uses less digits than its factorization.

109848249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249109 (or 249099 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 109848249 is about 10480.8515398321. The cubic root of 109848249 is about 478.9215501395.

The spelling of 109848249 in words is "one hundred nine million, eight hundred forty-eight thousand, two hundred forty-nine".