118201671 has 36 divisors (see below), whose sum is σ = 200514600. Its totient is φ = 66896928.

The previous prime is 118201649. The next prime is 118201751. The reversal of 118201671 is 176102811.

It is not a de Polignac number, because 118201671 - 2¹⁵ = 118168903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118201621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46840 + ... + 49298.

It is an arithmetic number, because the mean of its divisors is an integer number (5569850).

Almost surely, 2^118201671 is an apocalyptic number.

118201671 is a deficient number, since it is larger than the sum of its proper divisors (82312929).

118201671 is a wasteful number, since it uses less digits than its factorization.

118201671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 118201671 is about 10872.0591885806. The cubic root of 118201671 is about 490.7660805742.

The spelling of 118201671 in words is "one hundred eighteen million, two hundred one thousand, six hundred seventy-one".