1276878096 has 120 divisors (see below), whose sum is σ = 3972690176. Its totient is φ = 380194560.

The previous prime is 1276878089. The next prime is 1276878121. The reversal of 1276878096 is 6908786721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47031 + ... + 69033.

Almost surely, 2^1276878096 is an apocalyptic number.

1276878096 is a gapful number since it is divisible by the number (16) 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 1276878096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986345088).

1276878096 is an abundant number, since it is smaller than the sum of its proper divisors (2695812080).

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

1276878096 is a wasteful number, since it uses less digits than its factorization.

1276878096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061 (or 22052 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 1276878096 is about 35733.4310695181. The cubic root of 1276878096 is about 1084.8836039281.

The spelling of 1276878096 in words is "one billion, two hundred seventy-six million, eight hundred seventy-eight thousand, ninety-six".