4005124 has 24 divisors (see below), whose sum is σ = 7448000. Its totient is φ = 1879200.

The previous prime is 4005121. The next prime is 4005137. The reversal of 4005124 is 4215004.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4005098 and 4005107.

It is not an unprimeable number, because it can be changed into a prime (4005121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11302 + ... + 11650.

Almost surely, 2^4005124 is an apocalyptic number.

It is an amenable number.

4005124 is a deficient number, since it is larger than the sum of its proper divisors (3442876).

4005124 is a wasteful number, since it uses less digits than its factorization.

4005124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4005124 is about 2001.2805900223. The cubic root of 4005124 is about 158.8078582994.

The spelling of 4005124 in words is "four million, five thousand, one hundred twenty-four".