1230516572 has 12 divisors (see below), whose sum is σ = 2153997720. Its totient is φ = 615088656.

The previous prime is 1230516533. The next prime is 1230516577. The reversal of 1230516572 is 2756150321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230516577) 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 3 ways as a sum of consecutive naturals, for example, 25322 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (179499810).

Almost surely, 2^1230516572 is an apocalyptic number.

It is an amenable number.

1230516572 is a deficient number, since it is larger than the sum of its proper divisors (923481148).

1230516572 is a wasteful number, since it uses less digits than its factorization.

1230516572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84820 (or 84818 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1230516572 is about 35078.7196459620. The cubic root of 1230516572 is about 1071.5912423453.

Adding to 1230516572 its reverse (2756150321), we get a palindrome (3986666893).

The spelling of 1230516572 in words is "one billion, two hundred thirty million, five hundred sixteen thousand, five hundred seventy-two".