6445126 has 8 divisors (see below), whose sum is σ = 9685440. Its totient is φ = 3216648.

The previous prime is 6445099. The next prime is 6445147. The reversal of 6445126 is 6215446.

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

It is a d-powerful number, because it can be written as 6⁶ + 4⁴ + 4¹¹ + 5 + 1 + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 6445094 and 6445103.

It is a congruent number.

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, 1441 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (1210680).

Almost surely, 2^6445126 is an apocalyptic number.

6445126 is a deficient number, since it is larger than the sum of its proper divisors (3240314).

6445126 is a wasteful number, since it uses less digits than its factorization.

6445126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918.

The product of its digits is 5760, while the sum is 28.

The square root of 6445126 is about 2538.7252706821. The cubic root of 6445126 is about 186.0988991137.

The spelling of 6445126 in words is "six million, four hundred forty-five thousand, one hundred twenty-six".