1276225276 has 12 divisors (see below), whose sum is σ = 2233875672. Its totient is φ = 637975088.

The previous prime is 1276225253. The next prime is 1276225351. The reversal of 1276225276 is 6725226721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11875 + ... + 51898.

It is an arithmetic number, because the mean of its divisors is an integer number (186156306).

Almost surely, 2^1276225276 is an apocalyptic number.

It is an amenable number.

1276225276 is a deficient number, since it is larger than the sum of its proper divisors (957650396).

1276225276 is a wasteful number, since it uses less digits than its factorization.

1276225276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68780 (or 68778 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 1276225276 is about 35724.2953184524. The cubic root of 1276225276 is about 1084.6986856109.

The spelling of 1276225276 in words is "one billion, two hundred seventy-six million, two hundred twenty-five thousand, two hundred seventy-six".