118146117 has 4 divisors (see below), whose sum is σ = 157528160. Its totient is φ = 78764076.

The previous prime is 118146079. The next prime is 118146131. The reversal of 118146117 is 711641811.

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.

It is not a de Polignac number, because 118146117 - 2¹² = 118142021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118146137) 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 in 3 ways as a sum of consecutive naturals, for example, 19691017 + ... + 19691022.

It is an arithmetic number, because the mean of its divisors is an integer number (39382040).

Almost surely, 2^118146117 is an apocalyptic number.

It is an amenable number.

118146117 is a deficient number, since it is larger than the sum of its proper divisors (39382043).

118146117 is an equidigital number, since it uses as much as digits as its factorization.

118146117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39382042.

The product of its digits is 1344, while the sum is 30.

The square root of 118146117 is about 10869.5039905232. The cubic root of 118146117 is about 490.6891829268.

Adding to 118146117 its reverse (711641811), we get a palindrome (829787928).

The spelling of 118146117 in words is "one hundred eighteen million, one hundred forty-six thousand, one hundred seventeen".