3123987385 has 8 divisors (see below), whose sum is σ = 3749100480. Its totient is φ = 2498979504.

The previous prime is 3123987379. The next prime is 3123987407. The reversal of 3123987385 is 5837893213.

3123987385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3123987385 - 2¹⁹ = 3123463097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73354 + ... + 107836.

It is an arithmetic number, because the mean of its divisors is an integer number (468637560).

Almost surely, 2^3123987385 is an apocalyptic number.

It is an amenable number.

3123987385 is a deficient number, since it is larger than the sum of its proper divisors (625113095).

3123987385 is a wasteful number, since it uses less digits than its factorization.

3123987385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52607.

The product of its digits is 1088640, while the sum is 49.

The square root of 3123987385 is about 55892.6415997670. The cubic root of 3123987385 is about 1461.8509371548.

The spelling of 3123987385 in words is "three billion, one hundred twenty-three million, nine hundred eighty-seven thousand, three hundred eighty-five".