4125665 has 8 divisors (see below), whose sum is σ = 4999488. Its totient is φ = 3268080.

The previous prime is 4125647. The next prime is 4125673. The reversal of 4125665 is 5665214.

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

It is not a de Polignac number, because 4125665 - 2⁶ = 4125601 is a prime.

It is a super-2 number, since 2×4125665² = 34042223384450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (624936).

Almost surely, 2^4125665 is an apocalyptic number.

It is an amenable number.

4125665 is a deficient number, since it is larger than the sum of its proper divisors (873823).

4125665 is a wasteful number, since it uses less digits than its factorization.

4125665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119.

The product of its digits is 7200, while the sum is 29.

The square root of 4125665 is about 2031.1733062444. The cubic root of 4125665 is about 160.3853342603.

The spelling of 4125665 in words is "four million, one hundred twenty-five thousand, six hundred sixty-five".