1273381047834 has 32 divisors (see below), whose sum is σ = 2932803472896. Its totient is φ = 361045878960.

The previous prime is 1273381047833. The next prime is 1273381047877. The reversal of 1273381047834 is 4387401833721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1273381047833) 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, 115714332 + ... + 115725335.

It is an arithmetic number, because the mean of its divisors is an integer number (91650108528).

Almost surely, 2^{1273381047834} is an apocalyptic number.

1273381047834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1273381047834 is an abundant number, since it is smaller than the sum of its proper divisors (1659422425062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273381047834 is a wasteful number, since it uses less digits than its factorization.

1273381047834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231439810.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 1273381047834 in words is "one trillion, two hundred seventy-three billion, three hundred eighty-one million, forty-seven thousand, eight hundred thirty-four".