118971 has 6 divisors (see below), whose sum is σ = 171860. Its totient is φ = 79308.

The previous prime is 118967. The next prime is 118973. The reversal of 118971 is 179811.

It is not a de Polignac number, because 118971 - 2² = 118967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6601 + ... + 6618.

2¹¹⁸⁹⁷¹ is an apocalyptic number.

118971 is a deficient number, since it is larger than the sum of its proper divisors (52889).

118971 is a wasteful number, since it uses less digits than its factorization.

118971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13225 (or 13222 counting only the distinct ones).

The product of its digits is 504, while the sum is 27.

The square root of 118971 is about 344.9217302520. The cubic root of 118971 is about 49.1828514497.

It can be divided in two parts, 118 and 971, that added together give a square (1089 = 33²).

The spelling of 118971 in words is "one hundred eighteen thousand, nine hundred seventy-one".