1230628525 has 24 divisors (see below), whose sum is σ = 1767884864. Its totient is φ = 832291200.

The previous prime is 1230628519. The next prime is 1230628561. The reversal of 1230628525 is 5258260321.

It is not a de Polignac number, because 1230628525 - 2⁵ = 1230628493 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 35391 + ... + 60940.

Almost surely, 2^1230628525 is an apocalyptic number.

It is an amenable number.

1230628525 is a deficient number, since it is larger than the sum of its proper divisors (537256339).

1230628525 is an equidigital number, since it uses as much as digits as its factorization.

1230628525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96421 (or 96416 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1230628525 is about 35080.3153492097. The cubic root of 1230628525 is about 1071.6237393250.

Adding to 1230628525 its reverse (5258260321), we get a palindrome (6488888846).

The spelling of 1230628525 in words is "one billion, two hundred thirty million, six hundred twenty-eight thousand, five hundred twenty-five".