242169 has 8 divisors (see below), whose sum is σ = 326880. Its totient is φ = 159456.

The previous prime is 242161. The next prime is 242171. The reversal of 242169 is 961242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242169 - 2³ = 242161 is a prime.

It is a super-2 number, since 2×242169² = 117291649122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (40860).

2²⁴²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

242169 is a deficient number, since it is larger than the sum of its proper divisors (84711).

242169 is an equidigital number, since it uses as much as digits as its factorization.

242169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its digits is 864, while the sum is 24.

The square root of 242169 is about 492.1066957480. The cubic root of 242169 is about 62.3312997198.

The spelling of 242169 in words is "two hundred forty-two thousand, one hundred sixty-nine".