118620113 has 4 divisors (see below), whose sum is σ = 121826100. Its totient is φ = 115414128.

The previous prime is 118620091. The next prime is 118620133. The reversal of 118620113 is 311026811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311026811 = 2417 ⋅128683.

It can be written as a sum of positive squares in 2 ways, for example, as 114425809 + 4194304 = 10697^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 118620113 - 2⁶ = 118620049 is a prime.

It is a super-3 number, since 3×118620113³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118620133) 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, 1602938 + ... + 1603011.

It is an arithmetic number, because the mean of its divisors is an integer number (30456525).

Almost surely, 2^118620113 is an apocalyptic number.

It is an amenable number.

118620113 is a deficient number, since it is larger than the sum of its proper divisors (3205987).

118620113 is an equidigital number, since it uses as much as digits as its factorization.

118620113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205986.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 118620113 is about 10891.2861040375. The cubic root of 118620113 is about 491.3445137100.

Adding to 118620113 its reverse (311026811), we get a palindrome (429646924).

The spelling of 118620113 in words is "one hundred eighteen million, six hundred twenty thousand, one hundred thirteen".