4125866 has 8 divisors (see below), whose sum is σ = 6552900. Its totient is φ = 1941568.

The previous prime is 4125853. The next prime is 4125899. The reversal of 4125866 is 6685214.

It can be written as a sum of positive squares in 2 ways, for example, as 4116841 + 9025 = 2029^2 + 95^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60641 + ... + 60708.

Almost surely, 2^4125866 is an apocalyptic number.

4125866 is a deficient number, since it is larger than the sum of its proper divisors (2427034).

4125866 is a wasteful number, since it uses less digits than its factorization.

4125866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121368.

The product of its digits is 11520, while the sum is 32.

The square root of 4125866 is about 2031.2227844331. Note that the first 3 decimals coincide. The cubic root of 4125866 is about 160.3879388447.

The spelling of 4125866 in words is "four million, one hundred twenty-five thousand, eight hundred sixty-six".