118273 has 2 divisors, whose sum is σ = 118274. Its totient is φ = 118272.

The previous prime is 118259. The next prime is 118277. The reversal of 118273 is 372811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94864 + 23409 = 308^2 + 153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118273 is a prime.

118273 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (118277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59136 + 59137.

It is an arithmetic number, because the mean of its divisors is an integer number (59137).

It is a Proth number, since it is equal to 231 ⋅ 2⁹ + 1 and 231 < 2⁹.

2¹¹⁸²⁷³ is an apocalyptic number.

It is an amenable number.

118273 is a deficient number, since it is larger than the sum of its proper divisors (1).

118273 is an equidigital number, since it uses as much as digits as its factorization.

118273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 118273 is about 343.9084180418. The cubic root of 118273 is about 49.0864778600.

The spelling of 118273 in words is "one hundred eighteen thousand, two hundred seventy-three".