1170173 has 2 divisors, whose sum is σ = 1170174. Its totient is φ = 1170172.

The previous prime is 1170167. The next prime is 1170193. The reversal of 1170173 is 3710711.

It is an a-pointer prime, because the next prime (1170193) can be obtained adding 1170173 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138489 + 31684 = 1067^2 + 178^2 .

It is an emirp because it is prime and its reverse (3710711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1170173 - 2⁶ = 1170109 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 (1170133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585086 + 585087.

It is an arithmetic number, because the mean of its divisors is an integer number (585087).

2^1170173 is an apocalyptic number.

It is an amenable number.

1170173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170173 is an equidigital number, since it uses as much as digits as its factorization.

1170173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 1170173 is about 1081.7453489616. The cubic root of 1170173 is about 105.3780176363.

Adding to 1170173 its reverse (3710711), we get a palindrome (4880884).

It can be divided in two parts, 11 and 70173, that multiplied together give a triangular number (771903 = T₁₂₄₂).

The spelling of 1170173 in words is "one million, one hundred seventy thousand, one hundred seventy-three".