4125785 has 8 divisors (see below), whose sum is σ = 5044680. Its totient is φ = 3238144.

The previous prime is 4125769. The next prime is 4125787. The reversal of 4125785 is 5875214.

It can be written as a sum of positive squares in 4 ways, for example, as 546121 + 3579664 = 739^2 + 1892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4125785 - 2⁴ = 4125769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4125787) 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, 7520 + ... + 8049.

It is an arithmetic number, because the mean of its divisors is an integer number (630585).

Almost surely, 2^4125785 is an apocalyptic number.

It is an amenable number.

4125785 is a deficient number, since it is larger than the sum of its proper divisors (918895).

4125785 is a wasteful number, since it uses less digits than its factorization.

4125785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15627.

The product of its digits is 11200, while the sum is 32.

The square root of 4125785 is about 2031.2028456065. The cubic root of 4125785 is about 160.3868892462.

The spelling of 4125785 in words is "four million, one hundred twenty-five thousand, seven hundred eighty-five".