1247130743005 has 16 divisors (see below), whose sum is σ = 1750126333824. Its totient is φ = 835287566400.

The previous prime is 1247130743003. The next prime is 1247130743011. The reversal of 1247130743005 is 5003470317421.

It is not a de Polignac number, because 1247130743005 - 2¹ = 1247130743003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247130743003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414327646 + ... + 414330655.

It is an arithmetic number, because the mean of its divisors is an integer number (109382895864).

Almost surely, 2^{1247130743005} is an apocalyptic number.

It is an amenable number.

1247130743005 is a deficient number, since it is larger than the sum of its proper divisors (502995590819).

1247130743005 is an equidigital number, since it uses as much as digits as its factorization.

1247130743005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828658356.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 1247130743005 in words is "one trillion, two hundred forty-seven billion, one hundred thirty million, seven hundred forty-three thousand, five".