117242 has 12 divisors (see below), whose sum is σ = 184698. Its totient is φ = 55800.

The previous prime is 117241. The next prime is 117251. The reversal of 117242 is 242711.

It can be written as a sum of positive squares in only one way, i.e., 116281 + 961 = 341^2 + 31^2 .

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117242.

It is not an unprimeable number, because it can be changed into a prime (117241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892 + ... + 1952.

2¹¹⁷²⁴² is an apocalyptic number.

117242 is a deficient number, since it is larger than the sum of its proper divisors (67456).

117242 is an equidigital number, since it uses as much as digits as its factorization.

117242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 94 counting only the distinct ones).

The product of its digits is 112, while the sum is 17.

The square root of 117242 is about 342.4061915328. The cubic root of 117242 is about 48.9434304824.

Adding to 117242 its reverse (242711), we get a palindrome (359953).

The spelling of 117242 in words is "one hundred seventeen thousand, two hundred forty-two", and thus it is an iban number.