1126722305 has 16 divisors (see below), whose sum is σ = 1393770240. Its totient is φ = 873935232.

The previous prime is 1126722281. The next prime is 1126722313. The reversal of 1126722305 is 5032276211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126722305 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2741 + ... + 47549.

It is an arithmetic number, because the mean of its divisors is an integer number (87110640).

Almost surely, 2^1126722305 is an apocalyptic number.

It is an amenable number.

1126722305 is a deficient number, since it is larger than the sum of its proper divisors (267047935).

1126722305 is a wasteful number, since it uses less digits than its factorization.

1126722305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44968.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1126722305 is about 33566.6844505084. The cubic root of 1126722305 is about 1040.5723873937.

Adding to 1126722305 its reverse (5032276211), we get a palindrome (6158998516).

The spelling of 1126722305 in words is "one billion, one hundred twenty-six million, seven hundred twenty-two thousand, three hundred five".