118603 has 2 divisors, whose sum is σ = 118604. Its totient is φ = 118602.

The previous prime is 118589. The next prime is 118619. The reversal of 118603 is 306811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118603 - 2⁵ = 118571 is a prime.

It is not a weakly prime, because it can be changed into another prime (118633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59301 + 59302.

It is an arithmetic number, because the mean of its divisors is an integer number (59302).

2¹¹⁸⁶⁰³ is an apocalyptic number.

118603 is a deficient number, since it is larger than the sum of its proper divisors (1).

118603 is an equidigital number, since it uses as much as digits as its factorization.

118603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 118603 is about 344.3878627362. The cubic root of 118603 is about 49.1320884263.

The spelling of 118603 in words is "one hundred eighteen thousand, six hundred three".