3125872 has 20 divisors (see below), whose sum is σ = 6135520. Its totient is φ = 1542528.

The previous prime is 3125867. The next prime is 3125873. The reversal of 3125872 is 2785213.

It is a self number, because there is not a number n which added to its sum of digits gives 3125872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125873) 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, 28 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (306776).

Almost surely, 2^3125872 is an apocalyptic number.

It is an amenable number.

3125872 is a deficient number, since it is larger than the sum of its proper divisors (3009648).

3125872 is a wasteful number, since it uses less digits than its factorization.

3125872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2554 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3125872 is about 1768.0135746085. The cubic root of 3125872 is about 146.2144842778.

The spelling of 3125872 in words is "three million, one hundred twenty-five thousand, eight hundred seventy-two".