242987841 has 12 divisors (see below), whose sum is σ = 353308800. Its totient is φ = 160918200.

The previous prime is 242987821. The next prime is 242987861. The reversal of 242987841 is 148789242.

It is an interprime number because it is at equal distance from previous prime (242987821) and next prime (242987861).

It is not a de Polignac number, because 242987841 - 2⁵ = 242987809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242987821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88041 + ... + 90758.

It is an arithmetic number, because the mean of its divisors is an integer number (29442400).

Almost surely, 2^242987841 is an apocalyptic number.

It is an amenable number.

242987841 is a deficient number, since it is larger than the sum of its proper divisors (110320959).

242987841 is a wasteful number, since it uses less digits than its factorization.

242987841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178956 (or 178953 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 242987841 is about 15588.0672631343. The cubic root of 242987841 is about 624.0147386188.

The spelling of 242987841 in words is "two hundred forty-two million, nine hundred eighty-seven thousand, eight hundred forty-one".