1276948976 has 20 divisors (see below), whose sum is σ = 2476149552. Its totient is φ = 637942656.

The previous prime is 1276948973. The next prime is 1276948991. The reversal of 1276948976 is 6798496721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276948973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13061 + ... + 52196.

Almost surely, 2^1276948976 is an apocalyptic number.

1276948976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1276948976 is a deficient number, since it is larger than the sum of its proper divisors (1199200576).

1276948976 is a wasteful number, since it uses less digits than its factorization.

1276948976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66488 (or 66482 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The square root of 1276948976 is about 35734.4228440869. The cubic root of 1276948976 is about 1084.9036776603.

The spelling of 1276948976 in words is "one billion, two hundred seventy-six million, nine hundred forty-eight thousand, nine hundred seventy-six".