1296241960 has 64 divisors (see below), whose sum is σ = 3146169600. Its totient is φ = 477808896.

The previous prime is 1296241949. The next prime is 1296242023. The reversal of 1296241960 is 691426921.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372147 + ... + 375613.

It is an arithmetic number, because the mean of its divisors is an integer number (49158900).

Almost surely, 2^1296241960 is an apocalyptic number.

1296241960 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 1296241960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573084800).

1296241960 is an abundant number, since it is smaller than the sum of its proper divisors (1849927640).

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

1296241960 is a wasteful number, since it uses less digits than its factorization.

1296241960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1296241960 is about 36003.3603987183. The cubic root of 1296241960 is about 1090.3402018628.

The spelling of 1296241960 in words is "one billion, two hundred ninety-six million, two hundred forty-one thousand, nine hundred sixty".