1126696217 has 2 divisors, whose sum is σ = 1126696218. Its totient is φ = 1126696216.

The previous prime is 1126696211. The next prime is 1126696237. The reversal of 1126696217 is 7126966211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780140761 + 346555456 = 27931^2 + 18616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126696217 - 2⁴ = 1126696201 is a prime.

It is a super-2 number, since 2×1126696217² = 2538888730804222178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1126696211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563348108 + 563348109.

It is an arithmetic number, because the mean of its divisors is an integer number (563348109).

Almost surely, 2^1126696217 is an apocalyptic number.

It is an amenable number.

1126696217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126696217 is an equidigital number, since it uses as much as digits as its factorization.

1126696217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 1126696217 is about 33566.2958486634. The cubic root of 1126696217 is about 1040.5643562336.

The spelling of 1126696217 in words is "one billion, one hundred twenty-six million, six hundred ninety-six thousand, two hundred seventeen".