242929 has 4 divisors (see below), whose sum is σ = 244084. Its totient is φ = 241776.

The previous prime is 242927. The next prime is 242971. The reversal of 242929 is 929242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 929242 = 2 ⋅464621.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 119025 = 352^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 242929 - 2¹ = 242927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242897 and 242906.

It is not an unprimeable number, because it can be changed into a prime (242923) 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 3 ways as a sum of consecutive naturals, for example, 162 + ... + 715.

It is an arithmetic number, because the mean of its divisors is an integer number (61021).

2²⁴²⁹²⁹ is an apocalyptic number.

It is an amenable number.

242929 is a deficient number, since it is larger than the sum of its proper divisors (1155).

242929 is an equidigital number, since it uses as much as digits as its factorization.

242929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its digits is 2592, while the sum is 28.

The square root of 242929 is about 492.8782811202. The cubic root of 242929 is about 62.3964364884.

It can be divided in two parts, 2 and 42929, that multiplied together give a palindrome (85858).

The spelling of 242929 in words is "two hundred forty-two thousand, nine hundred twenty-nine".