118047271 has 4 divisors (see below), whose sum is σ = 120274632. Its totient is φ = 115819912.

The previous prime is 118047263. The next prime is 118047299. The reversal of 118047271 is 172740811.

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 118047271 - 2³ = 118047263 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118047071) 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, 1113601 + ... + 1113706.

It is an arithmetic number, because the mean of its divisors is an integer number (30068658).

Almost surely, 2^118047271 is an apocalyptic number.

118047271 is a deficient number, since it is larger than the sum of its proper divisors (2227361).

118047271 is an equidigital number, since it uses as much as digits as its factorization.

118047271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227360.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 118047271 is about 10864.9560974723. The cubic root of 118047271 is about 490.5523010246.

The spelling of 118047271 in words is "one hundred eighteen million, forty-seven thousand, two hundred seventy-one".