109248447 has 16 divisors (see below), whose sum is σ = 181608192. Its totient is φ = 56752320.

The previous prime is 109248437. The next prime is 109248449. The reversal of 109248447 is 744842901.

It is not a de Polignac number, because 109248447 - 2⁴ = 109248431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109248449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236238 + ... + 236699.

It is an arithmetic number, because the mean of its divisors is an integer number (11350512).

Almost surely, 2^109248447 is an apocalyptic number.

109248447 is a deficient number, since it is larger than the sum of its proper divisors (72359745).

109248447 is a wasteful number, since it uses less digits than its factorization.

109248447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472958.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 109248447 is about 10452.1981898546. The cubic root of 109248447 is about 478.0482771335.

The spelling of 109248447 in words is "one hundred nine million, two hundred forty-eight thousand, four hundred forty-seven".