1230433129 has 2 divisors, whose sum is σ = 1230433130. Its totient is φ = 1230433128.

The previous prime is 1230433111. The next prime is 1230433133. The reversal of 1230433129 is 9213340321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199929600 + 30503529 = 34640^2 + 5523^2 .

It is an emirp because it is prime and its reverse (9213340321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230433129 - 2¹⁵ = 1230400361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230433097 and 1230433106.

It is not a weakly prime, because it can be changed into another prime (1230433109) 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, 615216564 + 615216565.

It is an arithmetic number, because the mean of its divisors is an integer number (615216565).

Almost surely, 2^1230433129 is an apocalyptic number.

It is an amenable number.

1230433129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230433129 is an equidigital number, since it uses as much as digits as its factorization.

1230433129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1230433129 is about 35077.5302579871. The cubic root of 1230433129 is about 1071.5670197786.

The spelling of 1230433129 in words is "one billion, two hundred thirty million, four hundred thirty-three thousand, one hundred twenty-nine".