1126707817 has 2 divisors, whose sum is σ = 1126707818. Its totient is φ = 1126707816.

The previous prime is 1126707779. The next prime is 1126707853. The reversal of 1126707817 is 7187076211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824608656 + 302099161 = 28716^2 + 17381^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126707817 - 2⁷ = 1126707689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126707817.

It is not a weakly prime, because it can be changed into another prime (1126705817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563353908 + 563353909.

It is an arithmetic number, because the mean of its divisors is an integer number (563353909).

Almost surely, 2^1126707817 is an apocalyptic number.

It is an amenable number.

1126707817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126707817 is an equidigital number, since it uses as much as digits as its factorization.

1126707817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 40.

The square root of 1126707817 is about 33566.4686405943. The cubic root of 1126707817 is about 1040.5679272952.

The spelling of 1126707817 in words is "one billion, one hundred twenty-six million, seven hundred seven thousand, eight hundred seventeen".