120372173 has 4 divisors (see below), whose sum is σ = 121250940. Its totient is φ = 119493408.

The previous prime is 120372157. The next prime is 120372181. The reversal of 120372173 is 371273021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371273021 = 7 ⋅53039003.

It can be written as a sum of positive squares in 2 ways, for example, as 79245604 + 41126569 = 8902^2 + 6413^2 .

It is a cyclic number.

It is not a de Polignac number, because 120372173 - 2⁴ = 120372157 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 (120372143) 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, 439178 + ... + 439451.

It is an arithmetic number, because the mean of its divisors is an integer number (30312735).

Almost surely, 2^120372173 is an apocalyptic number.

It is an amenable number.

120372173 is a deficient number, since it is larger than the sum of its proper divisors (878767).

120372173 is an equidigital number, since it uses as much as digits as its factorization.

120372173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878766.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 120372173 is about 10971.4252948284. The cubic root of 120372173 is about 493.7518094683.

The spelling of 120372173 in words is "one hundred twenty million, three hundred seventy-two thousand, one hundred seventy-three".