1126881756 has 144 divisors (see below), whose sum is σ = 3824690688. Its totient is φ = 270172800.

The previous prime is 1126881751. The next prime is 1126881793. The reversal of 1126881756 is 6571886211.

1126881756 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126881751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20401 + ... + 51671.

It is an arithmetic number, because the mean of its divisors is an integer number (26560352).

Almost surely, 2^1126881756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126881756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912345344).

1126881756 is an abundant number, since it is smaller than the sum of its proper divisors (2697808932).

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

1126881756 is a wasteful number, since it uses less digits than its factorization.

1126881756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31312 (or 31307 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 1126881756 is about 33569.0595042518. The cubic root of 1126881756 is about 1040.6214715028.

The spelling of 1126881756 in words is "one billion, one hundred twenty-six million, eight hundred eighty-one thousand, seven hundred fifty-six".