648126 has 12 divisors (see below), whose sum is σ = 1404312. Its totient is φ = 216036.

The previous prime is 648119. The next prime is 648133. The reversal of 648126 is 621846.

648126 is a `hidden beast` number, since 648 + 12 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (648119) and next prime (648133).

It is a self number, because there is not a number n which added to its sum of digits gives 648126.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648126.

It is an unprimeable number.

648126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 17986 + ... + 18021.

It is an arithmetic number, because the mean of its divisors is an integer number (117026).

2⁶⁴⁸¹²⁶ is an apocalyptic number.

648126 is an abundant number, since it is smaller than the sum of its proper divisors (756186).

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

648126 is a wasteful number, since it uses less digits than its factorization.

648126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36015 (or 36012 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 648126 is about 805.0627304751. The cubic root of 648126 is about 86.5405826033.

The spelling of 648126 in words is "six hundred forty-eight thousand, one hundred twenty-six".