118242 has 12 divisors (see below), whose sum is σ = 256230. Its totient is φ = 39408.

The previous prime is 118219. The next prime is 118247. The reversal of 118242 is 242811.

It can be written as a sum of positive squares in only one way, i.e., 77841 + 40401 = 279^2 + 201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6569 = 118242 / (1 + 1 + 8 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (118247) by changing a digit.

118242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3267 + ... + 3302.

2¹¹⁸²⁴² is an apocalyptic number.

118242 is an abundant number, since it is smaller than the sum of its proper divisors (137988).

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

118242 is a wasteful number, since it uses less digits than its factorization.

118242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577 (or 6574 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 118242 is about 343.8633449497. The cubic root of 118242 is about 49.0821888738.

The spelling of 118242 in words is "one hundred eighteen thousand, two hundred forty-two".