1307123647 has 2 divisors, whose sum is σ = 1307123648. Its totient is φ = 1307123646.

The previous prime is 1307123611. The next prime is 1307123681. The reversal of 1307123647 is 7463217031.

It is an a-pointer prime, because the next prime (1307123681) can be obtained adding 1307123647 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1307123647 - 2¹⁵ = 1307090879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307163647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653561823 + 653561824.

It is an arithmetic number, because the mean of its divisors is an integer number (653561824).

Almost surely, 2^1307123647 is an apocalyptic number.

1307123647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307123647 is an equidigital number, since it uses as much as digits as its factorization.

1307123647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1307123647 is about 36154.1650021128. The cubic root of 1307123647 is about 1093.3827650188.

The spelling of 1307123647 in words is "one billion, three hundred seven million, one hundred twenty-three thousand, six hundred forty-seven".