1126530217 has 2 divisors, whose sum is σ = 1126530218. Its totient is φ = 1126530216.

The previous prime is 1126530193. The next prime is 1126530257. The reversal of 1126530217 is 7120356211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124327961 + 2202256 = 33531^2 + 1484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126530217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126530257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563265108 + 563265109.

It is an arithmetic number, because the mean of its divisors is an integer number (563265109).

Almost surely, 2^1126530217 is an apocalyptic number.

It is an amenable number.

1126530217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126530217 is an equidigital number, since it uses as much as digits as its factorization.

1126530217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1126530217 is about 33563.8230390997. The cubic root of 1126530217 is about 1040.5132504240.

Adding to 1126530217 its reverse (7120356211), we get a palindrome (8246886428).

The spelling of 1126530217 in words is "one billion, one hundred twenty-six million, five hundred thirty thousand, two hundred seventeen".