1129543117 has 2 divisors, whose sum is σ = 1129543118. Its totient is φ = 1129543116.

The previous prime is 1129543111. The next prime is 1129543139. The reversal of 1129543117 is 7113459211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975063076 + 154480041 = 31226^2 + 12429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129543117 - 2²³ = 1121154509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129543111) 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, 564771558 + 564771559.

It is an arithmetic number, because the mean of its divisors is an integer number (564771559).

Almost surely, 2^1129543117 is an apocalyptic number.

It is an amenable number.

1129543117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129543117 is an equidigital number, since it uses as much as digits as its factorization.

1129543117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 1129543117 is about 33608.6762161201. The cubic root of 1129543117 is about 1041.4400406855.

The spelling of 1129543117 in words is "one billion, one hundred twenty-nine million, five hundred forty-three thousand, one hundred seventeen".