1276228571341 has 4 divisors (see below), whose sum is σ = 1290568218300. Its totient is φ = 1261888924384.

The previous prime is 1276228571339. The next prime is 1276228571393. The reversal of 1276228571341 is 1431758226721.

It is a happy number.

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 880493215716 + 395735355625 = 938346^2 + 629075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1276228571341 - 2¹ = 1276228571339 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 (1276228571041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7169823346 + ... + 7169823523.

It is an arithmetic number, because the mean of its divisors is an integer number (322642054575).

Almost surely, 2^{1276228571341} is an apocalyptic number.

It is an amenable number.

1276228571341 is a deficient number, since it is larger than the sum of its proper divisors (14339646959).

1276228571341 is an equidigital number, since it uses as much as digits as its factorization.

1276228571341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14339646958.

The product of its digits is 1128960, while the sum is 49.

The spelling of 1276228571341 in words is "one trillion, two hundred seventy-six billion, two hundred twenty-eight million, five hundred seventy-one thousand, three hundred forty-one".