4125686 has 4 divisors (see below), whose sum is σ = 6188532. Its totient is φ = 2062842.

The previous prime is 4125677. The next prime is 4125691. The reversal of 4125686 is 6865214.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031420 + ... + 1031423.

It is an arithmetic number, because the mean of its divisors is an integer number (1547133).

Almost surely, 2^4125686 is an apocalyptic number.

4125686 is a deficient number, since it is larger than the sum of its proper divisors (2062846).

4125686 is a wasteful number, since it uses less digits than its factorization.

4125686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062845.

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

The square root of 4125686 is about 2031.1784756638. The cubic root of 4125686 is about 160.3856063850.

The spelling of 4125686 in words is "four million, one hundred twenty-five thousand, six hundred eighty-six".