242709105 has 8 divisors (see below), whose sum is σ = 388334592. Its totient is φ = 129444848.

The previous prime is 242709083. The next prime is 242709107. The reversal of 242709105 is 501907242.

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

It is a cyclic number.

It is not a de Polignac number, because 242709105 - 2¹⁵ = 242676337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242709107) 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 7 ways as a sum of consecutive naturals, for example, 8090289 + ... + 8090318.

It is an arithmetic number, because the mean of its divisors is an integer number (48541824).

Almost surely, 2^242709105 is an apocalyptic number.

It is an amenable number.

242709105 is a deficient number, since it is larger than the sum of its proper divisors (145625487).

242709105 is a wasteful number, since it uses less digits than its factorization.

242709105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16180615.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 242709105 is about 15579.1240126010. The cubic root of 242709105 is about 623.7760409100.

The spelling of 242709105 in words is "two hundred forty-two million, seven hundred nine thousand, one hundred five".