307125028 has 12 divisors (see below), whose sum is σ = 614250112. Its totient is φ = 131625000.

The previous prime is 307125017. The next prime is 307125041. The reversal of 307125028 is 820521703.

307125028 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 10968751 = 307125028 / (3 + 0 + 7 + 1 + 2 + 5 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 307124987 and 307125005.

It is an unprimeable number.

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, 5484348 + ... + 5484403.

Almost surely, 2^307125028 is an apocalyptic number.

It is an amenable number.

307125028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307125028 is a wasteful number, since it uses less digits than its factorization.

307125028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968762 (or 10968760 counting only the distinct ones).

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

The square root of 307125028 is about 17524.9829671815. The cubic root of 307125028 is about 674.6912372947.

The spelling of 307125028 in words is "three hundred seven million, one hundred twenty-five thousand, twenty-eight".