1300242247 has 2 divisors, whose sum is σ = 1300242248. Its totient is φ = 1300242246.

The previous prime is 1300242211. The next prime is 1300242253. The reversal of 1300242247 is 7422420031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1300242247 - 2¹⁹ = 1299717959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300242547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650121123 + 650121124.

It is an arithmetic number, because the mean of its divisors is an integer number (650121124).

Almost surely, 2^1300242247 is an apocalyptic number.

1300242247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300242247 is an equidigital number, since it uses as much as digits as its factorization.

1300242247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1300242247 is about 36058.8719596163. The cubic root of 1300242247 is about 1091.4606702999.

Adding to 1300242247 its reverse (7422420031), we get a palindrome (8722662278).

The spelling of 1300242247 in words is "one billion, three hundred million, two hundred forty-two thousand, two hundred forty-seven".