242168117 has 4 divisors (see below), whose sum is σ = 242843040. Its totient is φ = 241493196.

The previous prime is 242168089. The next prime is 242168119. The reversal of 242168117 is 711861242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711861242 = 2 ⋅355930621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242168117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242168119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336923 + ... + 337640.

It is an arithmetic number, because the mean of its divisors is an integer number (60710760).

Almost surely, 2^242168117 is an apocalyptic number.

It is an amenable number.

242168117 is a deficient number, since it is larger than the sum of its proper divisors (674923).

242168117 is an equidigital number, since it uses as much as digits as its factorization.

242168117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674922.

The product of its digits is 5376, while the sum is 32.

The square root of 242168117 is about 15561.7517330151. The cubic root of 242168117 is about 623.3122396197.

The spelling of 242168117 in words is "two hundred forty-two million, one hundred sixty-eight thousand, one hundred seventeen".