1129330427 has 2 divisors, whose sum is σ = 1129330428. Its totient is φ = 1129330426.

The previous prime is 1129330421. The next prime is 1129330439. The reversal of 1129330427 is 7240339211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1129330427 - 2²⁰ = 1128281851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1129330393 and 1129330402.

It is not a weakly prime, because it can be changed into another prime (1129330421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564665213 + 564665214.

It is an arithmetic number, because the mean of its divisors is an integer number (564665214).

Almost surely, 2^1129330427 is an apocalyptic number.

1129330427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129330427 is an equidigital number, since it uses as much as digits as its factorization.

1129330427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1129330427 is about 33605.5118544563. The cubic root of 1129330427 is about 1041.3746697748.

Adding to 1129330427 its reverse (7240339211), we get a palindrome (8369669638).

The spelling of 1129330427 in words is "one billion, one hundred twenty-nine million, three hundred thirty thousand, four hundred twenty-seven".