118002173 has 2 divisors, whose sum is σ = 118002174. Its totient is φ = 118002172.

The previous prime is 118002169. The next prime is 118002193. The reversal of 118002173 is 371200811.

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., 115820644 + 2181529 = 10762^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 118002173 - 2² = 118002169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118002133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59001086 + 59001087.

It is an arithmetic number, because the mean of its divisors is an integer number (59001087).

Almost surely, 2^118002173 is an apocalyptic number.

It is an amenable number.

118002173 is a deficient number, since it is larger than the sum of its proper divisors (1).

118002173 is an equidigital number, since it uses as much as digits as its factorization.

118002173 is an evil number, because the sum of its binary digits is even.

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

The square root of 118002173 is about 10862.8805111720. The cubic root of 118002173 is about 490.4898239470.

Adding to 118002173 its reverse (371200811), we get a palindrome (489202984).

The spelling of 118002173 in words is "one hundred eighteen million, two thousand, one hundred seventy-three".