1126391023 has 2 divisors, whose sum is σ = 1126391024. Its totient is φ = 1126391022.

The previous prime is 1126391017. The next prime is 1126391027. The reversal of 1126391023 is 3201936211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3201936211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126391023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1126390982 and 1126391000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126391027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563195511 + 563195512.

It is an arithmetic number, because the mean of its divisors is an integer number (563195512).

Almost surely, 2^1126391023 is an apocalyptic number.

1126391023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126391023 is an equidigital number, since it uses as much as digits as its factorization.

1126391023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1126391023 is about 33561.7494031524. The cubic root of 1126391023 is about 1040.4703934090.

The spelling of 1126391023 in words is "one billion, one hundred twenty-six million, three hundred ninety-one thousand, twenty-three".