1126511279 has 2 divisors, whose sum is σ = 1126511280. Its totient is φ = 1126511278.

The previous prime is 1126511251. The next prime is 1126511303. The reversal of 1126511279 is 9721156211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1126511279 - 2¹² = 1126507183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126511219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563255639 + 563255640.

It is an arithmetic number, because the mean of its divisors is an integer number (563255640).

Almost surely, 2^1126511279 is an apocalyptic number.

1126511279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126511279 is an equidigital number, since it uses as much as digits as its factorization.

1126511279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 35.

The square root of 1126511279 is about 33563.5409186814. The cubic root of 1126511279 is about 1040.5074197325.

The spelling of 1126511279 in words is "one billion, one hundred twenty-six million, five hundred eleven thousand, two hundred seventy-nine".