1293948247 has 2 divisors, whose sum is σ = 1293948248. Its totient is φ = 1293948246.

The previous prime is 1293948223. The next prime is 1293948289. The reversal of 1293948247 is 7428493921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1293948247 - 2⁷ = 1293948119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1293948247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1293948947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646974123 + 646974124.

It is an arithmetic number, because the mean of its divisors is an integer number (646974124).

Almost surely, 2^1293948247 is an apocalyptic number.

1293948247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293948247 is an equidigital number, since it uses as much as digits as its factorization.

1293948247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 1293948247 is about 35971.4921430846. The cubic root of 1293948247 is about 1089.6966995530.

It can be divided in two parts, 129394 and 8247, that added together give a square (137641 = 371²).

The spelling of 1293948247 in words is "one billion, two hundred ninety-three million, nine hundred forty-eight thousand, two hundred forty-seven".