100644126 has 32 divisors (see below), whose sum is σ = 220579200. Its totient is φ = 30360480.

The previous prime is 100644119. The next prime is 100644149. The reversal of 100644126 is 621446001.

It is a junction number, because it is equal to n+sod(n) for n = 100644096 and 100644105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 18443.

It is an arithmetic number, because the mean of its divisors is an integer number (6893100).

Almost surely, 2^100644126 is an apocalyptic number.

100644126 is an abundant number, since it is smaller than the sum of its proper divisors (119935074).

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

100644126 is a wasteful number, since it uses less digits than its factorization.

100644126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 100644126 is about 10032.1546040718. The cubic root of 100644126 is about 465.1533405716.

The spelling of 100644126 in words is "one hundred million, six hundred forty-four thousand, one hundred twenty-six".