4125540 has 48 divisors (see below), whose sum is σ = 11954880. Its totient is φ = 1061760.

The previous prime is 4125521. The next prime is 4125551. The reversal of 4125540 is 455214.

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, 555 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (249060).

Almost surely, 2^4125540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4125540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5977440).

4125540 is an abundant number, since it is smaller than the sum of its proper divisors (7829340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4125540 is a wasteful number, since it uses less digits than its factorization.

4125540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4125540 is about 2031.1425356188. The cubic root of 4125540 is about 160.3837144512.

The spelling of 4125540 in words is "four million, one hundred twenty-five thousand, five hundred forty".