120810173 has 4 divisors (see below), whose sum is σ = 131792928. Its totient is φ = 109827420.

The previous prime is 120810139. The next prime is 120810181. The reversal of 120810173 is 371018021.

It is a happy number.

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: 371018021 = 11 ⋅33728911.

It is a cyclic number.

It is not a de Polignac number, because 120810173 - 2⁸ = 120809917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120810103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5491361 + ... + 5491382.

It is an arithmetic number, because the mean of its divisors is an integer number (32948232).

Almost surely, 2^120810173 is an apocalyptic number.

It is an amenable number.

120810173 is a deficient number, since it is larger than the sum of its proper divisors (10982755).

120810173 is a wasteful number, since it uses less digits than its factorization.

120810173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982754.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 120810173 is about 10991.3681132059. The cubic root of 120810173 is about 494.3499585514.

Adding to 120810173 its reverse (371018021), we get a palindrome (491828194).

The spelling of 120810173 in words is "one hundred twenty million, eight hundred ten thousand, one hundred seventy-three".