120869173 has 4 divisors (see below), whose sum is σ = 123680128. Its totient is φ = 118058220.

The previous prime is 120869171. The next prime is 120869179. The reversal of 120869173 is 371968021.

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: 371968021 = 6833 ⋅54437.

It is not a de Polignac number, because 120869173 - 2¹ = 120869171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120869171) 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, 1405413 + ... + 1405498.

It is an arithmetic number, because the mean of its divisors is an integer number (30920032).

Almost surely, 2^120869173 is an apocalyptic number.

It is an amenable number.

120869173 is a deficient number, since it is larger than the sum of its proper divisors (2810955).

120869173 is an equidigital number, since it uses as much as digits as its factorization.

120869173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810954.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 120869173 is about 10994.0517099020. The cubic root of 120869173 is about 494.4304205966.

The spelling of 120869173 in words is "one hundred twenty million, eight hundred sixty-nine thousand, one hundred seventy-three".