118251 has 12 divisors (see below), whose sum is σ = 195312. Its totient is φ = 67536.

The previous prime is 118249. The next prime is 118253. The reversal of 118251 is 152811.

It is an interprime number because it is at equal distance from previous prime (118249) and next prime (118253).

It is not a de Polignac number, because 118251 - 2¹ = 118249 is a prime.

118251 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118251.

It is not an unprimeable number, because it can be changed into a prime (118253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876 + ... + 1001.

It is an arithmetic number, because the mean of its divisors is an integer number (16276).

2¹¹⁸²⁵¹ is an apocalyptic number.

118251 is a deficient number, since it is larger than the sum of its proper divisors (77061).

118251 is a wasteful number, since it uses less digits than its factorization.

118251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1887 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 118251 is about 343.8764312947. The cubic root of 118251 is about 49.0834341406.

The spelling of 118251 in words is "one hundred eighteen thousand, two hundred fifty-one".