1232821325 has 12 divisors (see below), whose sum is σ = 1545877620. Its totient is φ = 975173760.

The previous prime is 1232821319. The next prime is 1232821339. The reversal of 1232821325 is 5231282321.

It can be written as a sum of positive squares in 6 ways, for example, as 369754441 + 863066884 = 19229^2 + 29378^2 .

It is not a de Polignac number, because 1232821325 - 2⁸ = 1232821069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274814 + ... + 279263.

It is an arithmetic number, because the mean of its divisors is an integer number (128823135).

Almost surely, 2^1232821325 is an apocalyptic number.

It is an amenable number.

1232821325 is a deficient number, since it is larger than the sum of its proper divisors (313056295).

1232821325 is an equidigital number, since it uses as much as digits as its factorization.

1232821325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554176 (or 554171 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1232821325 is about 35111.5554340733. Note that the first 3 decimals coincide. The cubic root of 1232821325 is about 1072.2598538978.

The spelling of 1232821325 in words is "one billion, two hundred thirty-two million, eight hundred twenty-one thousand, three hundred twenty-five".