1129627739 has 2 divisors, whose sum is σ = 1129627740. Its totient is φ = 1129627738.

The previous prime is 1129627699. The next prime is 1129627753. The reversal of 1129627739 is 9377269211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1129627739 - 2⁸ = 1129627483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1129627693 and 1129627702.

It is not a weakly prime, because it can be changed into another prime (1129627799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564813869 + 564813870.

It is an arithmetic number, because the mean of its divisors is an integer number (564813870).

Almost surely, 2^1129627739 is an apocalyptic number.

1129627739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129627739 is an equidigital number, since it uses as much as digits as its factorization.

1129627739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 1129627739 is about 33609.9351234125. The cubic root of 1129627739 is about 1041.4660472295.

The spelling of 1129627739 in words is "one billion, one hundred twenty-nine million, six hundred twenty-seven thousand, seven hundred thirty-nine".