1276080057 has 24 divisors (see below), whose sum is σ = 2137992896. Its totient is φ = 718302816.

The previous prime is 1276080007. The next prime is 1276080067. The reversal of 1276080057 is 7500806721.

It is not a de Polignac number, because 1276080057 - 2¹¹ = 1276078009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276080007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146938 + ... + 155379.

Almost surely, 2^1276080057 is an apocalyptic number.

It is an amenable number.

1276080057 is a deficient number, since it is larger than the sum of its proper divisors (861912839).

1276080057 is a wasteful number, since it uses less digits than its factorization.

1276080057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302397 (or 302394 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1276080057 is about 35722.2627642763. The cubic root of 1276080057 is about 1084.6575421867.

Adding to 1276080057 its reverse (7500806721), we get a palindrome (8776886778).

The spelling of 1276080057 in words is "one billion, two hundred seventy-six million, eighty thousand, fifty-seven".