1232361025 has 81 divisors (see below), whose sum is σ = 1920882729. Its totient is φ = 781858560.

The previous prime is 1232361001. The next prime is 1232361029. The reversal of 1232361025 is 5201632321.

The square root of 1232361025 is 35105.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 28826161 + 1203534864 = 5369^2 + 34692^2 .

It is not a de Polignac number, because 1232361025 - 2⁵ = 1232360993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232361029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 20887446 + ... + 20887504.

Almost surely, 2^1232361025 is an apocalyptic number.

1232361025 is the 35105-th square number.

1232361025 is the 17553-rd centered octagonal number.

It is an amenable number.

1232361025 is a deficient number, since it is larger than the sum of its proper divisors (688521704).

1232361025 is an equidigital number, since it uses as much as digits as its factorization.

1232361025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The cubic root of 1232361025 is about 1072.1263869629.

Multiplying 1232361025 by its sum of digits (25), we get a square (30809025625 = 175525²).

1232361025 divided by its sum of digits (25) gives a square (49294441 = 7021²).

Adding to 1232361025 its reverse (5201632321), we get a palindrome (6433993346).

The spelling of 1232361025 in words is "one billion, two hundred thirty-two million, three hundred sixty-one thousand, twenty-five".