118603999 has 2 divisors, whose sum is σ = 118604000. Its totient is φ = 118603998.

The previous prime is 118603987. The next prime is 118604011. The reversal of 118603999 is 999306811.

It is a balanced prime because it is at equal distance from previous prime (118603987) and next prime (118604011).

It is an emirp because it is prime and its reverse (999306811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118603999 - 2⁵ = 118603967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118603949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59301999 + 59302000.

It is an arithmetic number, because the mean of its divisors is an integer number (59302000).

Almost surely, 2^118603999 is an apocalyptic number.

118603999 is a deficient number, since it is larger than the sum of its proper divisors (1).

118603999 is an equidigital number, since it uses as much as digits as its factorization.

118603999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 118603999 is about 10890.5463132021. The cubic root of 118603999 is about 491.3222637339.

The spelling of 118603999 in words is "one hundred eighteen million, six hundred three thousand, nine hundred ninety-nine".