242116429 has 2 divisors, whose sum is σ = 242116430. Its totient is φ = 242116428.

The previous prime is 242116403. The next prime is 242116463. The reversal of 242116429 is 924611242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241958025 + 158404 = 15555^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 242116429 - 2¹⁵ = 242083661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242116429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242116489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121058214 + 121058215.

It is an arithmetic number, because the mean of its divisors is an integer number (121058215).

Almost surely, 2^242116429 is an apocalyptic number.

It is an amenable number.

242116429 is a deficient number, since it is larger than the sum of its proper divisors (1).

242116429 is an equidigital number, since it uses as much as digits as its factorization.

242116429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 242116429 is about 15560.0909059041. The cubic root of 242116429 is about 623.2678901875.

The spelling of 242116429 in words is "two hundred forty-two million, one hundred sixteen thousand, four hundred twenty-nine".