1325512760 has 128 divisors (see below), whose sum is σ = 3541406400. Its totient is φ = 440156160.

The previous prime is 1325512733. The next prime is 1325512781. The reversal of 1325512760 is 672155231.

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 31 ways as a sum of consecutive naturals, for example, 553646 + ... + 556034.

Almost surely, 2^1325512760 is an apocalyptic number.

1325512760 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 1325512760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770703200).

1325512760 is an abundant number, since it is smaller than the sum of its proper divisors (2215893640).

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

1325512760 is a wasteful number, since it uses less digits than its factorization.

1325512760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1325512760 is about 36407.5920653921. The cubic root of 1325512760 is about 1098.4862815523.

Adding to 1325512760 its reverse (672155231), we get a palindrome (1997667991).

The spelling of 1325512760 in words is "one billion, three hundred twenty-five million, five hundred twelve thousand, seven hundred sixty".