125209328 has 20 divisors (see below), whose sum is σ = 246706680. Its totient is φ = 61543104.

The previous prime is 125209321. The next prime is 125209333. The reversal of 125209328 is 823902521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125209294 and 125209303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125209321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65375 + ... + 67262.

It is an arithmetic number, because the mean of its divisors is an integer number (12335334).

Almost surely, 2^125209328 is an apocalyptic number.

It is an amenable number.

125209328 is a deficient number, since it is larger than the sum of its proper divisors (121497352).

125209328 is a wasteful number, since it uses less digits than its factorization.

125209328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132704 (or 132698 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125209328 is about 11189.6974043090. The cubic root of 125209328 is about 500.2789483467.

The spelling of 125209328 in words is "one hundred twenty-five million, two hundred nine thousand, three hundred twenty-eight".