1273970718241 has 4 divisors (see below), whose sum is σ = 1371968465812. Its totient is φ = 1175972970672.

The previous prime is 1273970718203. The next prime is 1273970718247. The reversal of 1273970718241 is 1428170793721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 819857811600 + 454112906641 = 905460^2 + 673879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1273970718241 - 2¹⁹ = 1273970193953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1273970718247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48998873766 + ... + 48998873791.

It is an arithmetic number, because the mean of its divisors is an integer number (342992116453).

Almost surely, 2^{1273970718241} is an apocalyptic number.

It is an amenable number.

1273970718241 is a deficient number, since it is larger than the sum of its proper divisors (97997747571).

1273970718241 is an equidigital number, since it uses as much as digits as its factorization.

1273970718241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97997747570.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 1273970718241 in words is "one trillion, two hundred seventy-three billion, nine hundred seventy million, seven hundred eighteen thousand, two hundred forty-one".