1123331029 has 2 divisors, whose sum is σ = 1123331030. Its totient is φ = 1123331028.

The previous prime is 1123330969. The next prime is 1123331051. The reversal of 1123331029 is 9201333211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1051250929 + 72080100 = 32423^2 + 8490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123331029 - 2²³ = 1114942421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123330994 and 1123331012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123331329) 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, 561665514 + 561665515.

It is an arithmetic number, because the mean of its divisors is an integer number (561665515).

Almost surely, 2^1123331029 is an apocalyptic number.

It is an amenable number.

1123331029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123331029 is an equidigital number, since it uses as much as digits as its factorization.

1123331029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1123331029 is about 33516.1308775342. The cubic root of 1123331029 is about 1039.5273459356.

The spelling of 1123331029 in words is "one billion, one hundred twenty-three million, three hundred thirty-one thousand, twenty-nine".