1123458029 has 2 divisors, whose sum is σ = 1123458030. Its totient is φ = 1123458028.

The previous prime is 1123457983. The next prime is 1123458053. The reversal of 1123458029 is 9208543211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 690901225 + 432556804 = 26285^2 + 20798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123458029 - 2⁸ = 1123457773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123458029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123458079) 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, 561729014 + 561729015.

It is an arithmetic number, because the mean of its divisors is an integer number (561729015).

Almost surely, 2^1123458029 is an apocalyptic number.

It is an amenable number.

1123458029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123458029 is an equidigital number, since it uses as much as digits as its factorization.

1123458029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1123458029 is about 33518.0254340855. The cubic root of 1123458029 is about 1039.5665196059.

The spelling of 1123458029 in words is "one billion, one hundred twenty-three million, four hundred fifty-eight thousand, twenty-nine".