1144791126 has 48 divisors (see below), whose sum is σ = 2614929408. Its totient is φ = 361422000.

The previous prime is 1144791083. The next prime is 1144791127. The reversal of 1144791126 is 6211974411.

1144791126 is a `hidden beast` number, since 1 + 1 + 447 + 91 + 126 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144791127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4401 + ... + 48051.

It is an arithmetic number, because the mean of its divisors is an integer number (54477696).

Almost surely, 2^1144791126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144791126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307464704).

1144791126 is an abundant number, since it is smaller than the sum of its proper divisors (1470138282).

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

1144791126 is a wasteful number, since it uses less digits than its factorization.

1144791126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43737 (or 43734 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1144791126 is about 33834.7620946269. The cubic root of 1144791126 is about 1046.1053377580.

The spelling of 1144791126 in words is "one billion, one hundred forty-four million, seven hundred ninety-one thousand, one hundred twenty-six".