307425128 has 16 divisors (see below), whose sum is σ = 580241760. Its totient is φ = 152694000.

The previous prime is 307425091. The next prime is 307425137. The reversal of 307425128 is 821524703.

It is a junction number, because it is equal to n+sod(n) for n = 307425094 and 307425103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126038 + ... + 128453.

It is an arithmetic number, because the mean of its divisors is an integer number (36265110).

Almost surely, 2^307425128 is an apocalyptic number.

It is an amenable number.

307425128 is a deficient number, since it is larger than the sum of its proper divisors (272816632).

307425128 is a wasteful number, since it uses less digits than its factorization.

307425128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254648 (or 254644 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 307425128 is about 17533.5429391780. The cubic root of 307425128 is about 674.9109186512.

The spelling of 307425128 in words is "three hundred seven million, four hundred twenty-five thousand, one hundred twenty-eight".