118042 has 4 divisors (see below), whose sum is σ = 177066.
Its totient is φ = 59020.
The previous prime is 118037. The next prime is 118043. The reversal of 118042 is 240811.
Adding to 118042 its reverse (240811), we get a palindrome (358853).
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 108241 + 9801 = 329^2 + 99^2
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 as a sum of consecutive naturals, namely, 29509 + ... + 29512.
2118042 is an apocalyptic number.
118042 is a deficient number, since it is larger than the sum of its proper divisors (59024).
118042 is an equidigital number, since it uses as much as digits as its factorization.
118042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59023.
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 118042 is about 343.5724086710.
The cubic root of 118042 is about 49.0544999600.
The spelling of 118042 in words is "one hundred eighteen thousand, forty-two".