109603289 has 4 divisors (see below), whose sum is σ = 109630080. Its totient is φ = 109576500.

The previous prime is 109603271. The next prime is 109603309. The reversal of 109603289 is 982306901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982306901 = 1031 ⋅952771.

It is a cyclic number.

It is not a de Polignac number, because 109603289 - 2²⁰ = 108554713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109603189) 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 3 ways as a sum of consecutive naturals, for example, 5837 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (27407520).

Almost surely, 2^109603289 is an apocalyptic number.

It is an amenable number.

109603289 is a deficient number, since it is larger than the sum of its proper divisors (26791).

109603289 is an equidigital number, since it uses as much as digits as its factorization.

109603289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26790.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 109603289 is about 10469.1589442514. The cubic root of 109603289 is about 478.5652891552.

The spelling of 109603289 in words is "one hundred nine million, six hundred three thousand, two hundred eighty-nine".