242437187 has 12 divisors (see below), whose sum is σ = 266426880. Its totient is φ = 220300416.

The previous prime is 242437163. The next prime is 242437189. The reversal of 242437187 is 781734242.

242437187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242437187 - 2¹² = 242433091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242437187.

It is not an unprimeable number, because it can be changed into a prime (242437189) 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, 6083 + ... + 22844.

It is an arithmetic number, because the mean of its divisors is an integer number (22202240).

Almost surely, 2^242437187 is an apocalyptic number.

242437187 is a deficient number, since it is larger than the sum of its proper divisors (23989693).

242437187 is a wasteful number, since it uses less digits than its factorization.

242437187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990 (or 28973 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 242437187 is about 15570.3945678971. The cubic root of 242437187 is about 623.5430056807.

The spelling of 242437187 in words is "two hundred forty-two million, four hundred thirty-seven thousand, one hundred eighty-seven".