1273850116547 has 4 divisors (see below), whose sum is σ = 1273852585680. Its totient is φ = 1273847647416.

The previous prime is 1273850116541. The next prime is 1273850116597. The reversal of 1273850116547 is 7456110583721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1273850116547 - 2⁴ = 1273850116531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1273850116495 and 1273850116504.

It is not an unprimeable number, because it can be changed into a prime (1273850116541) 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 in 3 ways as a sum of consecutive naturals, for example, 133172 + ... + 1601697.

It is an arithmetic number, because the mean of its divisors is an integer number (318463146420).

Almost surely, 2^{1273850116547} is an apocalyptic number.

1273850116547 is a deficient number, since it is larger than the sum of its proper divisors (2469133).

1273850116547 is an equidigital number, since it uses as much as digits as its factorization.

1273850116547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469132.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 1273850116547 in words is "one trillion, two hundred seventy-three billion, eight hundred fifty million, one hundred sixteen thousand, five hundred forty-seven".