118030173 has 4 divisors (see below), whose sum is σ = 157373568. Its totient is φ = 78686780.

The previous prime is 118030163. The next prime is 118030177. The reversal of 118030173 is 371030811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371030811 = 3 ⋅123676937.

It is a cyclic number.

It is not a de Polignac number, because 118030173 - 2⁸ = 118029917 is a prime.

It is a super-2 number, since 2×118030173² = 27862243476819858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118030177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19671693 + ... + 19671698.

It is an arithmetic number, because the mean of its divisors is an integer number (39343392).

Almost surely, 2^118030173 is an apocalyptic number.

It is an amenable number.

118030173 is a deficient number, since it is larger than the sum of its proper divisors (39343395).

118030173 is an equidigital number, since it uses as much as digits as its factorization.

118030173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39343394.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 118030173 is about 10864.1692273270. The cubic root of 118030173 is about 490.5286159698.

Adding to 118030173 its reverse (371030811), we get a palindrome (489060984).

The spelling of 118030173 in words is "one hundred eighteen million, thirty thousand, one hundred seventy-three".