387500125129 has 16 divisors (see below), whose sum is σ = 424481178240. Its totient is φ = 351546704640.

The previous prime is 387500125081. The next prime is 387500125141. The reversal of 387500125129 is 921521005783.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 387500125129 - 2²⁹ = 386963254217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387500195129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310369 + ... + 3425425.

It is an arithmetic number, because the mean of its divisors is an integer number (26530073640).

Almost surely, 2^387500125129 is an apocalyptic number.

It is an amenable number.

387500125129 is a deficient number, since it is larger than the sum of its proper divisors (36981053111).

387500125129 is a wasteful number, since it uses less digits than its factorization.

387500125129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119520.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 387500125129 in words is "three hundred eighty-seven billion, five hundred million, one hundred twenty-five thousand, one hundred twenty-nine".