242469187 has 2 divisors, whose sum is σ = 242469188. Its totient is φ = 242469186.

The previous prime is 242469163. The next prime is 242469209. The reversal of 242469187 is 781964242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242469187 - 2¹¹ = 242467139 is a prime.

It is not a weakly prime, because it can be changed into another prime (242439187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121234593 + 121234594.

It is an arithmetic number, because the mean of its divisors is an integer number (121234594).

Almost surely, 2^242469187 is an apocalyptic number.

242469187 is a deficient number, since it is larger than the sum of its proper divisors (1).

242469187 is an equidigital number, since it uses as much as digits as its factorization.

242469187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 242469187 is about 15571.4221251625. The cubic root of 242469187 is about 623.5704389011.

It can be divided in two parts, 24246 and 9187, that added together give a palindrome (33433).

The spelling of 242469187 in words is "two hundred forty-two million, four hundred sixty-nine thousand, one hundred eighty-seven".