6126641 has 4 divisors (see below), whose sum is σ = 6242292. Its totient is φ = 6010992.

The previous prime is 6126629. The next prime is 6126649. The reversal of 6126641 is 1466216.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5387041 + 739600 = 2321^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 6126641 - 2⁶ = 6126577 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6126641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6126649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57746 + ... + 57851.

It is an arithmetic number, because the mean of its divisors is an integer number (1560573).

Almost surely, 2^6126641 is an apocalyptic number.

It is an amenable number.

6126641 is a deficient number, since it is larger than the sum of its proper divisors (115651).

6126641 is a wasteful number, since it uses less digits than its factorization.

6126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115650.

The product of its digits is 1728, while the sum is 26.

The square root of 6126641 is about 2475.2052440151. The cubic root of 6126641 is about 182.9816239623.

The spelling of 6126641 in words is "six million, one hundred twenty-six thousand, six hundred forty-one".