1230303125 has 12 divisors (see below), whose sum is σ = 1537784388. Its totient is φ = 984240000.

The previous prime is 1230303079. The next prime is 1230303133. The reversal of 1230303125 is 5213030321.

It can be written as a sum of positive squares in 6 ways, for example, as 1224930001 + 5373124 = 34999^2 + 2318^2 .

It is not a de Polignac number, because 1230303125 - 2¹² = 1230299029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230303097 and 1230303106.

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, 193724 + ... + 199973.

It is an arithmetic number, because the mean of its divisors is an integer number (128148699).

Almost surely, 2^1230303125 is an apocalyptic number.

It is an amenable number.

1230303125 is a deficient number, since it is larger than the sum of its proper divisors (307481263).

1230303125 is an frugal number, since it uses more digits than its factorization.

1230303125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393722 (or 393702 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1230303125 is about 35075.6771139204. The cubic root of 1230303125 is about 1071.5292788936.

Adding to 1230303125 its reverse (5213030321), we get a palindrome (6443333446).

The spelling of 1230303125 in words is "one billion, two hundred thirty million, three hundred three thousand, one hundred twenty-five".