1325201140 has 24 divisors (see below), whose sum is σ = 2788089192. Its totient is φ = 529096320.

The previous prime is 1325201131. The next prime is 1325201161. The reversal of 1325201140 is 411025231.

It can be written as a sum of positive squares in 4 ways, for example, as 408201616 + 916999524 = 20204^2 + 30282^2 .

It is a super-2 number, since 2×1325201140² = 3512316122914599200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50419 + ... + 72058.

It is an arithmetic number, because the mean of its divisors is an integer number (116170383).

Almost surely, 2^1325201140 is an apocalyptic number.

1325201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325201140 is an abundant number, since it is smaller than the sum of its proper divisors (1462888052).

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

1325201140 is a wasteful number, since it uses less digits than its factorization.

1325201140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123027 (or 123025 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1325201140 is about 36403.3122119403. The cubic root of 1325201140 is about 1098.4001923210.

Adding to 1325201140 its reverse (411025231), we get a palindrome (1736226371).

The spelling of 1325201140 in words is "one billion, three hundred twenty-five million, two hundred one thousand, one hundred forty".