1126804816 has 30 divisors (see below), whose sum is σ = 2193733662. Its totient is φ = 560689920.

The previous prime is 1126804807. The next prime is 1126804817. The reversal of 1126804816 is 6184086211.

It can be written as a sum of positive squares in 3 ways, for example, as 280227600 + 846577216 = 16740^2 + 29096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126804817) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2676286 + ... + 2676706.

Almost surely, 2^1126804816 is an apocalyptic number.

1126804816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1126804816 is a deficient number, since it is larger than the sum of its proper divisors (1066928846).

1126804816 is an frugal number, since it uses more digits than its factorization.

1126804816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1126804816 is about 33567.9134889257. The cubic root of 1126804816 is about 1040.5977874922.

The spelling of 1126804816 in words is "one billion, one hundred twenty-six million, eight hundred four thousand, eight hundred sixteen".