1276068394 has 16 divisors (see below), whose sum is σ = 1968936480. Its totient is φ = 620008560.

The previous prime is 1276068349. The next prime is 1276068463. The reversal of 1276068394 is 4938606721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52884 + ... + 73135.

It is an arithmetic number, because the mean of its divisors is an integer number (123058530).

Almost surely, 2^1276068394 is an apocalyptic number.

1276068394 is a deficient number, since it is larger than the sum of its proper divisors (692868086).

1276068394 is a wasteful number, since it uses less digits than its factorization.

1276068394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126165.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1276068394 is about 35722.0995183654. The cubic root of 1276068394 is about 1084.6542376920.

The spelling of 1276068394 in words is "one billion, two hundred seventy-six million, sixty-eight thousand, three hundred ninety-four".