4129072 has 10 divisors (see below), whose sum is σ = 8000108. Its totient is φ = 2064528.

The previous prime is 4129063. The next prime is 4129087. The reversal of 4129072 is 2709214.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129018 + ... + 129049.

Almost surely, 2^4129072 is an apocalyptic number.

It is an amenable number.

4129072 is a deficient number, since it is larger than the sum of its proper divisors (3871036).

4129072 is a wasteful number, since it uses less digits than its factorization.

4129072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258075 (or 258069 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4129072 is about 2032.0118109893. The cubic root of 4129072 is about 160.4294711842.

The spelling of 4129072 in words is "four million, one hundred twenty-nine thousand, seventy-two".