3870125407 has 4 divisors (see below), whose sum is σ = 3875238616. Its totient is φ = 3865012200.

The previous prime is 3870125401. The next prime is 3870125453. The reversal of 3870125407 is 7045210783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870125407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870125401) 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, 2555469 + ... + 2556982.

It is an arithmetic number, because the mean of its divisors is an integer number (968809654).

Almost surely, 2^3870125407 is an apocalyptic number.

3870125407 is a deficient number, since it is larger than the sum of its proper divisors (5113209).

3870125407 is an equidigital number, since it uses as much as digits as its factorization.

3870125407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113208.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 3870125407 is about 62210.3319955777. The cubic root of 3870125407 is about 1570.0314282321.

The spelling of 3870125407 in words is "three billion, eight hundred seventy million, one hundred twenty-five thousand, four hundred seven".