1241240347 has 2 divisors, whose sum is σ = 1241240348. Its totient is φ = 1241240346.

The previous prime is 1241240267. The next prime is 1241240419. The reversal of 1241240347 is 7430421421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241240347 - 2⁷ = 1241240219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241240947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620620173 + 620620174.

It is an arithmetic number, because the mean of its divisors is an integer number (620620174).

Almost surely, 2^1241240347 is an apocalyptic number.

1241240347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241240347 is an equidigital number, since it uses as much as digits as its factorization.

1241240347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1241240347 is about 35231.2410652818. The cubic root of 1241240347 is about 1074.6951641884.

Adding to 1241240347 its reverse (7430421421), we get a palindrome (8671661768).

The spelling of 1241240347 in words is "one billion, two hundred forty-one million, two hundred forty thousand, three hundred forty-seven".