1325232146 has 24 divisors (see below), whose sum is σ = 2314073916. Its totient is φ = 567544320.

The previous prime is 1325232109. The next prime is 1325232149. The reversal of 1325232146 is 6412325231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1292043025 + 33189121 = 35945^2 + 5761^2 .

It is not an unprimeable number, because it can be changed into a prime (1325232149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158306 + ... + 166466.

Almost surely, 2^1325232146 is an apocalyptic number.

1325232146 is a deficient number, since it is larger than the sum of its proper divisors (988841770).

1325232146 is a wasteful number, since it uses less digits than its factorization.

1325232146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834 (or 9827 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1325232146 is about 36403.7380772909. The cubic root of 1325232146 is about 1098.4087587516.

Adding to 1325232146 its reverse (6412325231), we get a palindrome (7737557377).

The spelling of 1325232146 in words is "one billion, three hundred twenty-five million, two hundred thirty-two thousand, one hundred forty-six".