1244443134 has 48 divisors (see below), whose sum is σ = 2799409536. Its totient is φ = 368324880.

The previous prime is 1244443097. The next prime is 1244443139. The reversal of 1244443134 is 4313444421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244443139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11287 + ... + 51149.

It is an arithmetic number, because the mean of its divisors is an integer number (58321032).

Almost surely, 2^1244443134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244443134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399704768).

1244443134 is an abundant number, since it is smaller than the sum of its proper divisors (1554966402).

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

1244443134 is a wasteful number, since it uses less digits than its factorization.

1244443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39933 (or 39922 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1244443134 is about 35276.6655737188. The cubic root of 1244443134 is about 1075.6187197945.

Adding to 1244443134 its reverse (4313444421), we get a palindrome (5557887555).

The spelling of 1244443134 in words is "one billion, two hundred forty-four million, four hundred forty-three thousand, one hundred thirty-four".