242800171 has 6 divisors (see below), whose sum is σ = 257922980. Its totient is φ = 228517536.

The previous prime is 242800157. The next prime is 242800177. The reversal of 242800171 is 171008242.

It is a happy number.

It is not a de Polignac number, because 242800171 - 2⁵ = 242800139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242800177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419781 + ... + 420358.

Almost surely, 2^242800171 is an apocalyptic number.

242800171 is a deficient number, since it is larger than the sum of its proper divisors (15122809).

242800171 is an equidigital number, since it uses as much as digits as its factorization.

242800171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840173 (or 840156 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 242800171 is about 15582.0464317111. The cubic root of 242800171 is about 623.8540460675.

The spelling of 242800171 in words is "two hundred forty-two million, eight hundred thousand, one hundred seventy-one".