1348261247 has 2 divisors, whose sum is σ = 1348261248. Its totient is φ = 1348261246.

The previous prime is 1348261237. The next prime is 1348261253. The reversal of 1348261247 is 7421628431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1348261247 - 2¹² = 1348257151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1348261247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348261237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674130623 + 674130624.

It is an arithmetic number, because the mean of its divisors is an integer number (674130624).

Almost surely, 2^1348261247 is an apocalyptic number.

1348261247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348261247 is an equidigital number, since it uses as much as digits as its factorization.

1348261247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 1348261247 is about 36718.6770867361. The cubic root of 1348261247 is about 1104.7347553060.

Adding to 1348261247 its reverse (7421628431), we get a palindrome (8769889678).

The spelling of 1348261247 in words is "one billion, three hundred forty-eight million, two hundred sixty-one thousand, two hundred forty-seven".