1253312132 has 6 divisors (see below), whose sum is σ = 2193296238. Its totient is φ = 626656064.

The previous prime is 1253312129. The next prime is 1253312141. The reversal of 1253312132 is 2312133521.

It can be written as a sum of positive squares in only one way, i.e., 1135285636 + 118026496 = 33694^2 + 10864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1253312098 and 1253312107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156664013 + ... + 156664020.

It is an arithmetic number, because the mean of its divisors is an integer number (365549373).

Almost surely, 2^1253312132 is an apocalyptic number.

It is an amenable number.

1253312132 is a deficient number, since it is larger than the sum of its proper divisors (939984106).

1253312132 is a wasteful number, since it uses less digits than its factorization.

1253312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313328037 (or 313328035 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1253312132 is about 35402.1486918520. The cubic root of 1253312132 is about 1078.1679421860.

Adding to 1253312132 its reverse (2312133521), we get a palindrome (3565445653).

The spelling of 1253312132 in words is "one billion, two hundred fifty-three million, three hundred twelve thousand, one hundred thirty-two".