1126036409 has 2 divisors, whose sum is σ = 1126036410. Its totient is φ = 1126036408.

The previous prime is 1126036403. The next prime is 1126036427. The reversal of 1126036409 is 9046306211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852464809 + 273571600 = 29197^2 + 16540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126036409 - 2²⁰ = 1124987833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1126036403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563018204 + 563018205.

It is an arithmetic number, because the mean of its divisors is an integer number (563018205).

Almost surely, 2^1126036409 is an apocalyptic number.

It is an amenable number.

1126036409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126036409 is an equidigital number, since it uses as much as digits as its factorization.

1126036409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1126036409 is about 33556.4659790032. The cubic root of 1126036409 is about 1040.3611938839.

The spelling of 1126036409 in words is "one billion, one hundred twenty-six million, thirty-six thousand, four hundred nine".