1276063353 has 12 divisors (see below), whose sum is σ = 1843533120. Its totient is φ = 850556376.

The previous prime is 1276063309. The next prime is 1276063357. The reversal of 1276063353 is 3533606721.

1276063353 is a `hidden beast` number, since 12 + 7 + 6 + 0 + 633 + 5 + 3 = 666.

It is not a de Polignac number, because 1276063353 - 2¹⁸ = 1275801209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1276063357) 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, 65788 + ... + 82946.

It is an arithmetic number, because the mean of its divisors is an integer number (153627760).

Almost surely, 2^1276063353 is an apocalyptic number.

It is an amenable number.

1276063353 is a deficient number, since it is larger than the sum of its proper divisors (567469767).

1276063353 is a wasteful number, since it uses less digits than its factorization.

1276063353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428 (or 25425 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 1276063353 is about 35722.0289597330. The cubic root of 1276063353 is about 1084.6528094119.

The spelling of 1276063353 in words is "one billion, two hundred seventy-six million, sixty-three thousand, three hundred fifty-three".