118040 has 32 divisors (see below), whose sum is σ = 287280. Its totient is φ = 43392.

The previous prime is 118037. The next prime is 118043. The reversal of 118040 is 40811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118037) and next prime (118043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 633.

2¹¹⁸⁰⁴⁰ is an apocalyptic number.

118040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143640).

118040 is an abundant number, since it is smaller than the sum of its proper divisors (169240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118040 is a wasteful number, since it uses less digits than its factorization.

118040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 118040 is about 343.5694980641. The cubic root of 118040 is about 49.0542229130.

Adding to 118040 its reverse (40811), we get a palindrome (158851).

The spelling of 118040 in words is "one hundred eighteen thousand, forty".