1325432832 has 128 divisors (see below), whose sum is σ = 3596560800. Its totient is φ = 434110464.

The previous prime is 1325432819. The next prime is 1325432839. The reversal of 1325432832 is 2382345231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1325432793 and 1325432802.

It is not an unprimeable number, because it can be changed into a prime (1325432839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9535419 + ... + 9535557.

Almost surely, 2^1325432832 is an apocalyptic number.

1325432832 is a gapful number since it is divisible by the number (12) 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 1325432832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798280400).

1325432832 is an abundant number, since it is smaller than the sum of its proper divisors (2271127968).

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

1325432832 is an frugal number, since it uses more digits than its factorization.

1325432832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 241 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 1325432832 is about 36406.4943657035. The cubic root of 1325432832 is about 1098.4642016501.

The spelling of 1325432832 in words is "one billion, three hundred twenty-five million, four hundred thirty-two thousand, eight hundred thirty-two".