118500203 has 2 divisors, whose sum is σ = 118500204. Its totient is φ = 118500202.

The previous prime is 118500199. The next prime is 118500223. The reversal of 118500203 is 302005811.

It is an a-pointer prime, because the next prime (118500223) can be obtained adding 118500203 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118500203 - 2² = 118500199 is a prime.

It is a super-2 number, since 2×118500203² = 28084596222082418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118500223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59250101 + 59250102.

It is an arithmetic number, because the mean of its divisors is an integer number (59250102).

Almost surely, 2^118500203 is an apocalyptic number.

118500203 is a deficient number, since it is larger than the sum of its proper divisors (1).

118500203 is an equidigital number, since it uses as much as digits as its factorization.

118500203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 118500203 is about 10885.7798526334. The cubic root of 118500203 is about 491.1788954100.

The spelling of 118500203 in words is "one hundred eighteen million, five hundred thousand, two hundred three".