1384821126 has 96 divisors (see below), whose sum is σ = 3335780448. Its totient is φ = 412439040.

The previous prime is 1384821103. The next prime is 1384821131. The reversal of 1384821126 is 6211284831.

It is a congruent number.

It is an unprimeable 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 47 ways as a sum of consecutive naturals, for example, 2657746 + ... + 2658266.

It is an arithmetic number, because the mean of its divisors is an integer number (34747713).

Almost surely, 2^1384821126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384821126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667890224).

1384821126 is an abundant number, since it is smaller than the sum of its proper divisors (1950959322).

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

1384821126 is a wasteful number, since it uses less digits than its factorization.

1384821126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 883 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1384821126 is about 37213.1848408598. The cubic root of 1384821126 is about 1114.6312805496.

The spelling of 1384821126 in words is "one billion, three hundred eighty-four million, eight hundred twenty-one thousand, one hundred twenty-six".