118008361 has 4 divisors (see below), whose sum is σ = 118297300. Its totient is φ = 117719424.

The previous prime is 118008353. The next prime is 118008389. The reversal of 118008361 is 163800811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163800811 = 941 ⋅174071.

It can be written as a sum of positive squares in 2 ways, for example, as 111429136 + 6579225 = 10556^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 118008361 - 2³ = 118008353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118008311) 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, 143856 + ... + 144673.

It is an arithmetic number, because the mean of its divisors is an integer number (29574325).

Almost surely, 2^118008361 is an apocalyptic number.

It is an amenable number.

118008361 is a deficient number, since it is larger than the sum of its proper divisors (288939).

118008361 is an equidigital number, since it uses as much as digits as its factorization.

118008361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288938.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 118008361 is about 10863.1653306023. The cubic root of 118008361 is about 490.4983975123.

The spelling of 118008361 in words is "one hundred eighteen million, eight thousand, three hundred sixty-one".