1276193248 has 48 divisors (see below), whose sum is σ = 2745235584. Its totient is φ = 579173760.

The previous prime is 1276193221. The next prime is 1276193257. The reversal of 1276193248 is 8423916721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253411 + ... + 258397.

It is an arithmetic number, because the mean of its divisors is an integer number (57192408).

Almost surely, 2^1276193248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276193248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372617792).

1276193248 is an abundant number, since it is smaller than the sum of its proper divisors (1469042336).

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

1276193248 is a wasteful number, since it uses less digits than its factorization.

1276193248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5727 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 1276193248 is about 35723.8470492751. The cubic root of 1276193248 is about 1084.6896117112.

The spelling of 1276193248 in words is "one billion, two hundred seventy-six million, one hundred ninety-three thousand, two hundred forty-eight".