1123013029 has 2 divisors, whose sum is σ = 1123013030. Its totient is φ = 1123013028.

The previous prime is 1123013009. The next prime is 1123013033. The reversal of 1123013029 is 9203103211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652036225 + 470976804 = 25535^2 + 21702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123013029 - 2⁵ = 1123012997 is a prime.

It is a super-2 number, since 2×1123013029² = 2522316526607509682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123013009) 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, 561506514 + 561506515.

It is an arithmetic number, because the mean of its divisors is an integer number (561506515).

Almost surely, 2^1123013029 is an apocalyptic number.

It is an amenable number.

1123013029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123013029 is an equidigital number, since it uses as much as digits as its factorization.

1123013029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1123013029 is about 33511.3865574076. The cubic root of 1123013029 is about 1039.4292445788.

The spelling of 1123013029 in words is "one billion, one hundred twenty-three million, thirteen thousand, twenty-nine".