242709171 has 4 divisors (see below), whose sum is σ = 323612232. Its totient is φ = 161806112.

The previous prime is 242709167. The next prime is 242709191. The reversal of 242709171 is 171907242.

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

It is a cyclic number.

It is not a de Polignac number, because 242709171 - 2² = 242709167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242709121) 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, 40451526 + ... + 40451531.

It is an arithmetic number, because the mean of its divisors is an integer number (80903058).

Almost surely, 2^242709171 is an apocalyptic number.

242709171 is a deficient number, since it is larger than the sum of its proper divisors (80903061).

242709171 is an equidigital number, since it uses as much as digits as its factorization.

242709171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80903060.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 242709171 is about 15579.1261308200. The cubic root of 242709171 is about 623.7760974512.

The spelling of 242709171 in words is "two hundred forty-two million, seven hundred nine thousand, one hundred seventy-one".