108242 has 4 divisors (see below), whose sum is σ = 162366. Its totient is φ = 54120.

The previous prime is 108233. The next prime is 108247. The reversal of 108242 is 242801.

It is a Cunningham number, because it is equal to 329²+1.

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 + 1 = 329^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108242.

It is not an unprimeable number, because it can be changed into a prime (108247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27059 + ... + 27062.

2¹⁰⁸²⁴² is an apocalyptic number.

108242 is a deficient number, since it is larger than the sum of its proper divisors (54124).

108242 is an equidigital number, since it uses as much as digits as its factorization.

108242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54123.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 108242 is about 329.0015197533. The cubic root of 108242 is about 47.6575745668.

The spelling of 108242 in words is "one hundred eight thousand, two hundred forty-two".