118238 has 4 divisors (see below), whose sum is σ = 177360. Its totient is φ = 59118.

The previous prime is 118219. The next prime is 118247. The reversal of 118238 is 832811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832811 = 7 ⋅118973.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29558 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (44340).

2¹¹⁸²³⁸ is an apocalyptic number.

118238 is a deficient number, since it is larger than the sum of its proper divisors (59122).

118238 is an equidigital number, since it uses as much as digits as its factorization.

118238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59121.

The product of its digits is 384, while the sum is 23.

The square root of 118238 is about 343.8575286365. The cubic root of 118238 is about 49.0816354017.

The spelling of 118238 in words is "one hundred eighteen thousand, two hundred thirty-eight".