118394291 has 4 divisors (see below), whose sum is σ = 118460784. Its totient is φ = 118327800.

The previous prime is 118394267. The next prime is 118394299. The reversal of 118394291 is 192493811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118394291 - 2¹⁴ = 118377907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118394299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30500 + ... + 34161.

It is an arithmetic number, because the mean of its divisors is an integer number (29615196).

Almost surely, 2^118394291 is an apocalyptic number.

118394291 is a deficient number, since it is larger than the sum of its proper divisors (66493).

118394291 is an equidigital number, since it uses as much as digits as its factorization.

118394291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66492.

The product of its digits is 15552, while the sum is 38.

The square root of 118394291 is about 10880.9140700586. The cubic root of 118394291 is about 491.0325180367.

The spelling of 118394291 in words is "one hundred eighteen million, three hundred ninety-four thousand, two hundred ninety-one".