4125666 has 32 divisors (see below), whose sum is σ = 8741376. Its totient is φ = 1296000.

The previous prime is 4125647. The next prime is 4125673. The reversal of 4125666 is 6665214.

It is a super-2 number, since 2×4125666² = 34042239887112, which contains 22 as substring.

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, 7356 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (273168).

Almost surely, 2^4125666 is an apocalyptic number.

4125666 is an abundant number, since it is smaller than the sum of its proper divisors (4615710).

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

4125666 is a wasteful number, since it uses less digits than its factorization.

4125666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its digits is 8640, while the sum is 30.

The square root of 4125666 is about 2031.1735524076. The cubic root of 4125666 is about 160.3853472186.

The spelling of 4125666 in words is "four million, one hundred twenty-five thousand, six hundred sixty-six".