1325867956 has 48 divisors (see below), whose sum is σ = 2803852800. Its totient is φ = 535902048.

The previous prime is 1325867941. The next prime is 1325867957. The reversal of 1325867956 is 6597685231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325867957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115275 + ... + 126253.

It is an arithmetic number, because the mean of its divisors is an integer number (58413600).

Almost surely, 2^1325867956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325867956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401926400).

1325867956 is an abundant number, since it is smaller than the sum of its proper divisors (1477984844).

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

1325867956 is a wasteful number, since it uses less digits than its factorization.

1325867956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236 (or 11234 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 1325867956 is about 36412.4697871485. The cubic root of 1325867956 is about 1098.5843927885.

The spelling of 1325867956 in words is "one billion, three hundred twenty-five million, eight hundred sixty-seven thousand, nine hundred fifty-six".