1247130743051 has 2 divisors, whose sum is σ = 1247130743052. Its totient is φ = 1247130743050.

The previous prime is 1247130743011. The next prime is 1247130743077. The reversal of 1247130743051 is 1503470317421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1247130743051 - 2¹⁸ = 1247130480907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1247130742996 and 1247130743014.

It is not a weakly prime, because it can be changed into another prime (1247130743011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623565371525 + 623565371526.

It is an arithmetic number, because the mean of its divisors is an integer number (623565371526).

Almost surely, 2^{1247130743051} is an apocalyptic number.

1247130743051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247130743051 is an equidigital number, since it uses as much as digits as its factorization.

1247130743051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 1247130743051 in words is "one trillion, two hundred forty-seven billion, one hundred thirty million, seven hundred forty-three thousand, fifty-one".