242134511 has 2 divisors, whose sum is σ = 242134512. Its totient is φ = 242134510.

The previous prime is 242134493. The next prime is 242134523. The reversal of 242134511 is 115431242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242134511 - 2¹⁰ = 242133487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242134531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121067255 + 121067256.

It is an arithmetic number, because the mean of its divisors is an integer number (121067256).

Almost surely, 2^242134511 is an apocalyptic number.

242134511 is a deficient number, since it is larger than the sum of its proper divisors (1).

242134511 is an equidigital number, since it uses as much as digits as its factorization.

242134511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 242134511 is about 15560.6719327926. The cubic root of 242134511 is about 623.2834056559.

Adding to 242134511 its reverse (115431242), we get a palindrome (357565753).

The spelling of 242134511 in words is "two hundred forty-two million, one hundred thirty-four thousand, five hundred eleven".