1207240247 has 2 divisors, whose sum is σ = 1207240248. Its totient is φ = 1207240246.

The previous prime is 1207240213. The next prime is 1207240327. The reversal of 1207240247 is 7420427021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1207240247 - 2¹⁸ = 1206978103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207240207) 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, 603620123 + 603620124.

It is an arithmetic number, because the mean of its divisors is an integer number (603620124).

Almost surely, 2^1207240247 is an apocalyptic number.

1207240247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207240247 is an equidigital number, since it uses as much as digits as its factorization.

1207240247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 1207240247 is about 34745.3629568033. The cubic root of 1207240247 is about 1064.7914826106.

Adding to 1207240247 its reverse (7420427021), we get a palindrome (8627667268).

The spelling of 1207240247 in words is "one billion, two hundred seven million, two hundred forty thousand, two hundred forty-seven".