125730028 has 36 divisors (see below), whose sum is σ = 237696592. Its totient is φ = 58164480.

The previous prime is 125729953. The next prime is 125730037. The reversal of 125730028 is 820037521.

It is a junction number, because it is equal to n+sod(n) for n = 125729978 and 125730005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69625 + ... + 71407.

Almost surely, 2^125730028 is an apocalyptic number.

It is an amenable number.

125730028 is a deficient number, since it is larger than the sum of its proper divisors (111966564).

125730028 is a wasteful number, since it uses less digits than its factorization.

125730028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 125730028 is about 11212.9402031760. The cubic root of 125730028 is about 500.9714818901.

Adding to 125730028 its reverse (820037521), we get a palindrome (945767549).

The spelling of 125730028 in words is "one hundred twenty-five million, seven hundred thirty thousand, twenty-eight".