4005102125 has 16 divisors (see below), whose sum is σ = 5215691520. Its totient is φ = 3064771600.

The previous prime is 4005102109. The next prime is 4005102137. The reversal of 4005102125 is 5212015004.

4005102125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4005102125 - 2⁴ = 4005102109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4005102097 and 4005102106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693665 + ... + 699414.

It is an arithmetic number, because the mean of its divisors is an integer number (325980720).

Almost surely, 2^4005102125 is an apocalyptic number.

It is an amenable number.

4005102125 is a deficient number, since it is larger than the sum of its proper divisors (1210589395).

4005102125 is a wasteful number, since it uses less digits than its factorization.

4005102125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393117 (or 1393107 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4005102125 is about 63285.8761889254. The cubic root of 4005102125 is about 1588.0756917574.

Adding to 4005102125 its reverse (5212015004), we get a palindrome (9217117129).

The spelling of 4005102125 in words is "four billion, five million, one hundred two thousand, one hundred twenty-five".