109442559 has 8 divisors (see below), whose sum is σ = 149867440. Its totient is φ = 70989696.

The previous prime is 109442539. The next prime is 109442621. The reversal of 109442559 is 955244901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109442559 - 2¹¹ = 109440511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109442519) 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 7 ways as a sum of consecutive naturals, for example, 492874 + ... + 493095.

It is an arithmetic number, because the mean of its divisors is an integer number (18733430).

Almost surely, 2^109442559 is an apocalyptic number.

109442559 is a deficient number, since it is larger than the sum of its proper divisors (40424881).

109442559 is an equidigital number, since it uses as much as digits as its factorization.

109442559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986009.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 109442559 is about 10461.4797710458. The cubic root of 109442559 is about 478.3312407354.

The spelling of 109442559 in words is "one hundred nine million, four hundred forty-two thousand, five hundred fifty-nine".