1325028432 has 160 divisors (see below), whose sum is σ = 4228618240. Its totient is φ = 348157440.

The previous prime is 1325028427. The next prime is 1325028449. The reversal of 1325028432 is 2348205231.

It is a self number, because there is not a number n which added to its sum of digits gives 1325028432.

It is a congruent number.

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, 1917207 + ... + 1917897.

It is an arithmetic number, because the mean of its divisors is an integer number (26428864).

Almost surely, 2^1325028432 is an apocalyptic number.

1325028432 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 1325028432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114309120).

1325028432 is an abundant number, since it is smaller than the sum of its proper divisors (2903589808).

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

1325028432 is a wasteful number, since it uses less digits than its factorization.

1325028432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1325028432 is about 36400.9399878630. The cubic root of 1325028432 is about 1098.3524735921.

The spelling of 1325028432 in words is "one billion, three hundred twenty-five million, twenty-eight thousand, four hundred thirty-two".