1276222327 has 12 divisors (see below), whose sum is σ = 1323282720. Its totient is φ = 1230622848.

The previous prime is 1276222289. The next prime is 1276222357. The reversal of 1276222327 is 7232226721.

It is not a de Polignac number, because 1276222327 - 2¹¹ = 1276220279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1276222292 and 1276222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276222357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141703 + ... + 150439.

It is an arithmetic number, because the mean of its divisors is an integer number (110273560).

Almost surely, 2^1276222327 is an apocalyptic number.

1276222327 is a deficient number, since it is larger than the sum of its proper divisors (47060393).

1276222327 is an frugal number, since it uses more digits than its factorization.

1276222327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8902 (or 8859 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 1276222327 is about 35724.2540439965. The cubic root of 1276222327 is about 1084.6978501317.

The spelling of 1276222327 in words is "one billion, two hundred seventy-six million, two hundred twenty-two thousand, three hundred twenty-seven".