109112459 has 8 divisors (see below), whose sum is σ = 115284480. Its totient is φ = 102983400.

The previous prime is 109112453. The next prime is 109112489. The reversal of 109112459 is 954211901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109112459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109112453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5447 + ... + 15744.

It is an arithmetic number, because the mean of its divisors is an integer number (14410560).

Almost surely, 2^109112459 is an apocalyptic number.

109112459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109112459 is a deficient number, since it is larger than the sum of its proper divisors (6172021).

109112459 is a wasteful number, since it uses less digits than its factorization.

109112459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21481.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 109112459 is about 10445.6909297566. The cubic root of 109112459 is about 477.8498431267.

The spelling of 109112459 in words is "one hundred nine million, one hundred twelve thousand, four hundred fifty-nine".