109121459 has 8 divisors (see below), whose sum is σ = 112604688. Its totient is φ = 105677440.

The previous prime is 109121449. The next prime is 109121471. The reversal of 109121459 is 954121901.

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

It is a cyclic number.

It is not a de Polignac number, because 109121459 - 2²⁴ = 92344243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109121449) 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 7 ways as a sum of consecutive naturals, for example, 4097 + ... + 15330.

It is an arithmetic number, because the mean of its divisors is an integer number (14075586).

Almost surely, 2^109121459 is an apocalyptic number.

109121459 is a deficient number, since it is larger than the sum of its proper divisors (3483229).

109121459 is a wasteful number, since it uses less digits than its factorization.

109121459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19605.

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

The square root of 109121459 is about 10446.1217205238. The cubic root of 109121459 is about 477.8629810408.

The spelling of 109121459 in words is "one hundred nine million, one hundred twenty-one thousand, four hundred fifty-nine".