1126261559 has 2 divisors, whose sum is σ = 1126261560. Its totient is φ = 1126261558.

The previous prime is 1126261553. The next prime is 1126261573. The reversal of 1126261559 is 9551626211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126261559 - 2⁸ = 1126261303 is a prime.

It is a super-2 number, since 2×1126261559² = 2536930198562220962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126261553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563130779 + 563130780.

It is an arithmetic number, because the mean of its divisors is an integer number (563130780).

Almost surely, 2^1126261559 is an apocalyptic number.

1126261559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126261559 is an equidigital number, since it uses as much as digits as its factorization.

1126261559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 1126261559 is about 33559.8206044073. The cubic root of 1126261559 is about 1040.4305290347.

The spelling of 1126261559 in words is "one billion, one hundred twenty-six million, two hundred sixty-one thousand, five hundred fifty-nine".