1296029760 has 224 divisors, whose sum is σ = 4354007040. Its totient is φ = 325957632.

The previous prime is 1296029759. The next prime is 1296029827. The reversal of 1296029760 is 679206921.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1743949 + ... + 1744691.

Almost surely, 2^1296029760 is an apocalyptic number.

1296029760 is a gapful number since it is divisible by the number (10) 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 1296029760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177003520).

1296029760 is an abundant number, since it is smaller than the sum of its proper divisors (3057977280).

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

1296029760 is a wasteful number, since it uses less digits than its factorization.

1296029760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 855 counting only the distinct ones).

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

The square root of 1296029760 is about 36000.4133309605. The cubic root of 1296029760 is about 1090.2807009300.

The spelling of 1296029760 in words is "one billion, two hundred ninety-six million, twenty-nine thousand, seven hundred sixty".