242882109 has 6 divisors (see below), whose sum is σ = 350829726. Its totient is φ = 161921400.

The previous prime is 242882099. The next prime is 242882113. The reversal of 242882109 is 901288242.

It can be written as a sum of positive squares in only one way, i.e., 130988025 + 111894084 = 11445^2 + 10578^2 .

It is not a de Polignac number, because 242882109 - 2¹¹ = 242880061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242882309) 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, 13493442 + ... + 13493459.

It is an arithmetic number, because the mean of its divisors is an integer number (58471621).

Almost surely, 2^242882109 is an apocalyptic number.

It is an amenable number.

242882109 is a deficient number, since it is larger than the sum of its proper divisors (107947617).

242882109 is a wasteful number, since it uses less digits than its factorization.

242882109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26986907 (or 26986904 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 242882109 is about 15584.6754537911. The cubic root of 242882109 is about 623.9242157101.

The spelling of 242882109 in words is "two hundred forty-two million, eight hundred eighty-two thousand, one hundred nine".