242104747 has 2 divisors, whose sum is σ = 242104748. Its totient is φ = 242104746.

The previous prime is 242104717. The next prime is 242104757. The reversal of 242104747 is 747401242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242104747 - 2¹¹ = 242102699 is a prime.

It is a super-2 number, since 2×242104747² = 117229417039868018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242104717) 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, 121052373 + 121052374.

It is an arithmetic number, because the mean of its divisors is an integer number (121052374).

Almost surely, 2^242104747 is an apocalyptic number.

242104747 is a deficient number, since it is larger than the sum of its proper divisors (1).

242104747 is an equidigital number, since it uses as much as digits as its factorization.

242104747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 242104747 is about 15559.7155179650. The cubic root of 242104747 is about 623.2578659020.

Adding to 242104747 its reverse (747401242), we get a palindrome (989505989).

The spelling of 242104747 in words is "two hundred forty-two million, one hundred four thousand, seven hundred forty-seven".