1325143372 has 48 divisors (see below), whose sum is σ = 2802320640. Its totient is φ = 535609152.

The previous prime is 1325143357. The next prime is 1325143373. The reversal of 1325143372 is 2733415231.

It is not an unprimeable number, because it can be changed into a prime (1325143373) 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, 115278 + ... + 126250.

It is an arithmetic number, because the mean of its divisors is an integer number (58381680).

Almost surely, 2^1325143372 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 1325143372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401160320).

1325143372 is an abundant number, since it is smaller than the sum of its proper divisors (1477177268).

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

1325143372 is a wasteful number, since it uses less digits than its factorization.

1325143372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230 (or 11228 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 1325143372 is about 36402.5187590090. The cubic root of 1325143372 is about 1098.3842316485.

The spelling of 1325143372 in words is "one billion, three hundred twenty-five million, one hundred forty-three thousand, three hundred seventy-two".