1232321625 has 48 divisors (see below), whose sum is σ = 2275732368. Its totient is φ = 641184000.

The previous prime is 1232321617. The next prime is 1232321647. The reversal of 1232321625 is 5261232321.

It is a happy number.

1232321625 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 32 + 1 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 926106624 + 306215001 = 30432^2 + 17499^2 .

It is not a de Polignac number, because 1232321625 - 2³ = 1232321617 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 32767 + ... + 59483.

It is an arithmetic number, because the mean of its divisors is an integer number (47411091).

Almost surely, 2^1232321625 is an apocalyptic number.

1232321625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232321625 is a deficient number, since it is larger than the sum of its proper divisors (1043410743).

1232321625 is a wasteful number, since it uses less digits than its factorization.

1232321625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26779 (or 26766 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1232321625 is about 35104.4388218926. The cubic root of 1232321625 is about 1072.1149611364.

Adding to 1232321625 its reverse (5261232321), we get a palindrome (6493553946).

The spelling of 1232321625 in words is "one billion, two hundred thirty-two million, three hundred twenty-one thousand, six hundred twenty-five".