1129951759 has 4 divisors (see below), whose sum is σ = 1157511600. Its totient is φ = 1102391920.

The previous prime is 1129951703. The next prime is 1129951789. The reversal of 1129951759 is 9571599211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1129951759 - 2⁹ = 1129951247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129951789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13779859 + ... + 13779940.

It is an arithmetic number, because the mean of its divisors is an integer number (289377900).

Almost surely, 2^1129951759 is an apocalyptic number.

1129951759 is a deficient number, since it is larger than the sum of its proper divisors (27559841).

1129951759 is an equidigital number, since it uses as much as digits as its factorization.

1129951759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27559840.

The product of its digits is 255150, while the sum is 49.

The square root of 1129951759 is about 33614.7550786853. The cubic root of 1129951759 is about 1041.5656150066.

The spelling of 1129951759 in words is "one billion, one hundred twenty-nine million, nine hundred fifty-one thousand, seven hundred fifty-nine".