242124004117 has 2 divisors, whose sum is σ = 242124004118. Its totient is φ = 242124004116.

The previous prime is 242124004091. The next prime is 242124004121. The reversal of 242124004117 is 711400421242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212372583921 + 29751420196 = 460839^2 + 172486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242124004117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242124004127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121062002058 + 121062002059.

It is an arithmetic number, because the mean of its divisors is an integer number (121062002059).

Almost surely, 2^242124004117 is an apocalyptic number.

It is an amenable number.

242124004117 is a deficient number, since it is larger than the sum of its proper divisors (1).

242124004117 is an equidigital number, since it uses as much as digits as its factorization.

242124004117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 242124004117 its reverse (711400421242), we get a palindrome (953524425359).

The spelling of 242124004117 in words is "two hundred forty-two billion, one hundred twenty-four million, four thousand, one hundred seventeen".