120303173 has 2 divisors, whose sum is σ = 120303174. Its totient is φ = 120303172.

The previous prime is 120303167. The next prime is 120303199. The reversal of 120303173 is 371303021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 53684929 = 8162^2 + 7327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120303173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120303473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151586 + 60151587.

It is an arithmetic number, because the mean of its divisors is an integer number (60151587).

Almost surely, 2^120303173 is an apocalyptic number.

It is an amenable number.

120303173 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303173 is an equidigital number, since it uses as much as digits as its factorization.

120303173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 120303173 is about 10968.2803118812. The cubic root of 120303173 is about 493.6574482724.

Adding to 120303173 its reverse (371303021), we get a palindrome (491606194).

The spelling of 120303173 in words is "one hundred twenty million, three hundred three thousand, one hundred seventy-three".