1276988468 has 24 divisors (see below), whose sum is σ = 2557226112. Its totient is φ = 546584544.

The previous prime is 1276988459. The next prime is 1276988477. The reversal of 1276988468 is 8648896721.

It is an interprime number because it is at equal distance from previous prime (1276988459) and next prime (1276988477).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6296 + ... + 50927.

It is an arithmetic number, because the mean of its divisors is an integer number (106551088).

Almost surely, 2^1276988468 is an apocalyptic number.

It is an amenable number.

1276988468 is an abundant number, since it is smaller than the sum of its proper divisors (1280237644).

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

1276988468 is a wasteful number, since it uses less digits than its factorization.

1276988468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58031 (or 58029 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 59.

The square root of 1276988468 is about 35734.9754162501. The cubic root of 1276988468 is about 1084.9148617601.

The spelling of 1276988468 in words is "one billion, two hundred seventy-six million, nine hundred eighty-eight thousand, four hundred sixty-eight".