118020183 has 4 divisors (see below), whose sum is σ = 157360248. Its totient is φ = 78680120.

The previous prime is 118020167. The next prime is 118020187. The reversal of 118020183 is 381020811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381020811 = 3 ⋅127006937.

It is a cyclic number.

It is not a de Polignac number, because 118020183 - 2⁴ = 118020167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118020187) 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 in 3 ways as a sum of consecutive naturals, for example, 19670028 + ... + 19670033.

It is an arithmetic number, because the mean of its divisors is an integer number (39340062).

Almost surely, 2^118020183 is an apocalyptic number.

118020183 is a deficient number, since it is larger than the sum of its proper divisors (39340065).

118020183 is an equidigital number, since it uses as much as digits as its factorization.

118020183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39340064.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 118020183 is about 10863.7094493548. The cubic root of 118020183 is about 490.5147762343.

Adding to 118020183 its reverse (381020811), we get a palindrome (499040994).

The spelling of 118020183 in words is "one hundred eighteen million, twenty thousand, one hundred eighty-three".