242127272587 has 2 divisors, whose sum is σ = 242127272588. Its totient is φ = 242127272586.

The previous prime is 242127272579. The next prime is 242127272641. The reversal of 242127272587 is 785272721242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242127272587 - 2³ = 242127272579 is a prime.

It is a super-2 number, since 2×242127272587² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242127272587.

It is not a weakly prime, because it can be changed into another prime (242127272507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121063636293 + 121063636294.

It is an arithmetic number, because the mean of its divisors is an integer number (121063636294).

Almost surely, 2^242127272587 is an apocalyptic number.

242127272587 is a deficient number, since it is larger than the sum of its proper divisors (1).

242127272587 is an equidigital number, since it uses as much as digits as its factorization.

242127272587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1756160, while the sum is 49.

The spelling of 242127272587 in words is "two hundred forty-two billion, one hundred twenty-seven million, two hundred seventy-two thousand, five hundred eighty-seven".