109173122 has 8 divisors (see below), whose sum is σ = 165381372. Its totient is φ = 54046000.

The previous prime is 109173091. The next prime is 109173131. The reversal of 109173122 is 221371901.

It can be written as a sum of positive squares in 2 ways, for example, as 92371321 + 16801801 = 9611^2 + 4099^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 109173091 and 109173100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270029 + ... + 270432.

Almost surely, 2^109173122 is an apocalyptic number.

109173122 is a deficient number, since it is larger than the sum of its proper divisors (56208250).

109173122 is a wasteful number, since it uses less digits than its factorization.

109173122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540564.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 109173122 is about 10448.5942595164. The cubic root of 109173122 is about 477.9383830755.

The spelling of 109173122 in words is "one hundred nine million, one hundred seventy-three thousand, one hundred twenty-two".