1132123129 has 2 divisors, whose sum is σ = 1132123130. Its totient is φ = 1132123128.

The previous prime is 1132123103. The next prime is 1132123133. The reversal of 1132123129 is 9213212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062434025 + 69689104 = 32595^2 + 8348^2 .

It is an emirp because it is prime and its reverse (9213212311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1132123129 - 2¹⁹ = 1131598841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1132103129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566061564 + 566061565.

It is an arithmetic number, because the mean of its divisors is an integer number (566061565).

Almost surely, 2^1132123129 is an apocalyptic number.

It is an amenable number.

1132123129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132123129 is an equidigital number, since it uses as much as digits as its factorization.

1132123129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 1132123129 is about 33647.0374475971. The cubic root of 1132123129 is about 1042.2323624064.

The spelling of 1132123129 in words is "one billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-nine".