1296315270 has 96 divisors (see below), whose sum is σ = 3440136960. Its totient is φ = 338584320.

The previous prime is 1296315269. The next prime is 1296315311. The reversal of 1296315270 is 725136921.

1296315270 is a `hidden beast` number, since 12 + 9 + 631 + 5 + 2 + 7 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 2135307 + ... + 2135913.

It is an arithmetic number, because the mean of its divisors is an integer number (35834760).

Almost surely, 2^1296315270 is an apocalyptic number.

1296315270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296315270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720068480).

1296315270 is an abundant number, since it is smaller than the sum of its proper divisors (2143821690).

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

1296315270 is a wasteful number, since it uses less digits than its factorization.

1296315270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1296315270 is about 36004.3784837344. The cubic root of 1296315270 is about 1090.3607564958.

The spelling of 1296315270 in words is "one billion, two hundred ninety-six million, three hundred fifteen thousand, two hundred seventy".