1276060992 has 56 divisors (see below), whose sum is σ = 3383865216. Its totient is φ = 424393728.

The previous prime is 1276060979. The next prime is 1276061011. The reversal of 1276060992 is 2990606721.

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, 80473 + ... + 95015.

Almost surely, 2^1276060992 is an apocalyptic number.

1276060992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276060992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691932608).

1276060992 is an abundant number, since it is smaller than the sum of its proper divisors (2107804224).

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

1276060992 is a wasteful number, since it uses less digits than its factorization.

1276060992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015 (or 15005 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1276060992 is about 35721.9959128826. The cubic root of 1276060992 is about 1084.6521404622.

The spelling of 1276060992 in words is "one billion, two hundred seventy-six million, sixty thousand, nine hundred ninety-two".