242102571 has 4 divisors (see below), whose sum is σ = 322803432. Its totient is φ = 161401712.

The previous prime is 242102563. The next prime is 242102573. The reversal of 242102571 is 175201242.

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 242102571 - 2³ = 242102563 is a prime.

It is a super-2 number, since 2×242102571² = 117227309769620082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242102573) 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, 40350426 + ... + 40350431.

It is an arithmetic number, because the mean of its divisors is an integer number (80700858).

Almost surely, 2^242102571 is an apocalyptic number.

242102571 is a deficient number, since it is larger than the sum of its proper divisors (80700861).

242102571 is an equidigital number, since it uses as much as digits as its factorization.

242102571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80700860.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 242102571 is about 15559.6455936503. The cubic root of 242102571 is about 623.2559986480.

The spelling of 242102571 in words is "two hundred forty-two million, one hundred two thousand, five hundred seventy-one".