1276315748 has 6 divisors (see below), whose sum is σ = 2233552566. Its totient is φ = 638157872.

The previous prime is 1276315739. The next prime is 1276315813. The reversal of 1276315748 is 8475136721.

It can be written as a sum of positive squares in only one way, i.e., 1248774244 + 27541504 = 35338^2 + 5248^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1276315699 and 1276315708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159539465 + ... + 159539472.

It is an arithmetic number, because the mean of its divisors is an integer number (372258761).

Almost surely, 2^1276315748 is an apocalyptic number.

It is an amenable number.

1276315748 is a deficient number, since it is larger than the sum of its proper divisors (957236818).

1276315748 is a wasteful number, since it uses less digits than its factorization.

1276315748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319078941 (or 319078939 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 1276315748 is about 35725.5615491205. The cubic root of 1276315748 is about 1084.7243165457.

The spelling of 1276315748 in words is "one billion, two hundred seventy-six million, three hundred fifteen thousand, seven hundred forty-eight".