242709043 has 4 divisors (see below), whose sum is σ = 242750880. Its totient is φ = 242667208.

The previous prime is 242709037. The next prime is 242709079. The reversal of 242709043 is 340907242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242709043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242708996 and 242709014.

It is not an unprimeable number, because it can be changed into a prime (242709023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10480 + ... + 24397.

It is an arithmetic number, because the mean of its divisors is an integer number (60687720).

Almost surely, 2^242709043 is an apocalyptic number.

242709043 is a deficient number, since it is larger than the sum of its proper divisors (41837).

242709043 is an equidigital number, since it uses as much as digits as its factorization.

242709043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41836.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 242709043 is about 15579.1220227585. The cubic root of 242709043 is about 623.7759877955.

The spelling of 242709043 in words is "two hundred forty-two million, seven hundred nine thousand, forty-three".