242307187 has 2 divisors, whose sum is σ = 242307188. Its totient is φ = 242307186.

The previous prime is 242307179. The next prime is 242307199. The reversal of 242307187 is 781703242.

242307187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242307187 - 2³ = 242307179 is a prime.

It is not a weakly prime, because it can be changed into another prime (242307127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121153593 + 121153594.

It is an arithmetic number, because the mean of its divisors is an integer number (121153594).

Almost surely, 2^242307187 is an apocalyptic number.

242307187 is a deficient number, since it is larger than the sum of its proper divisors (1).

242307187 is an equidigital number, since it uses as much as digits as its factorization.

242307187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 242307187 is about 15566.2194189855. The cubic root of 242307187 is about 623.4315333926.

The spelling of 242307187 in words is "two hundred forty-two million, three hundred seven thousand, one hundred eighty-seven".