1126445320 has 192 divisors, whose sum is σ = 3464596800. Its totient is φ = 324011520.

The previous prime is 1126445311. The next prime is 1126445323. The reversal of 1126445320 is 235446211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1126445323) 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, 278271 + ... + 282289.

It is an arithmetic number, because the mean of its divisors is an integer number (18044775).

Almost surely, 2^1126445320 is an apocalyptic number.

1126445320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126445320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732298400).

1126445320 is an abundant number, since it is smaller than the sum of its proper divisors (2338151480).

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

1126445320 is a wasteful number, since it uses less digits than its factorization.

1126445320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1126445320 is about 33562.5583053497. The cubic root of 1126445320 is about 1040.4871115564.

The spelling of 1126445320 in words is "one billion, one hundred twenty-six million, four hundred forty-five thousand, three hundred twenty".