1325851200 has 336 divisors, whose sum is σ = 4943612160. Its totient is φ = 345507840.

The previous prime is 1325851181. The next prime is 1325851237. The reversal of 1325851200 is 21585231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2030074 + ... + 2030726.

Almost surely, 2^1325851200 is an apocalyptic number.

1325851200 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 1325851200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471806080).

1325851200 is an abundant number, since it is smaller than the sum of its proper divisors (3617760960).

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

1325851200 is a wasteful number, since it uses less digits than its factorization.

1325851200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1325851200 is about 36412.2397004084. The cubic root of 1325851200 is about 1098.5797648873.

The spelling of 1325851200 in words is "one billion, three hundred twenty-five million, eight hundred fifty-one thousand, two hundred".