1129526959 has 8 divisors (see below), whose sum is σ = 1234023552. Its totient is φ = 1025332440.

The previous prime is 1129526947. The next prime is 1129527017. The reversal of 1129526959 is 9596259211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1129526959 is a prime.

It is a super-2 number, since 2×1129526959² = 2551662302215575362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129526939) 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 in 7 ways as a sum of consecutive naturals, for example, 67659 + ... + 82684.

It is an arithmetic number, because the mean of its divisors is an integer number (154252944).

Almost surely, 2^1129526959 is an apocalyptic number.

1129526959 is a deficient number, since it is larger than the sum of its proper divisors (104496593).

1129526959 is a wasteful number, since it uses less digits than its factorization.

1129526959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151037.

The product of its digits is 437400, while the sum is 49.

The square root of 1129526959 is about 33608.4358309041. The cubic root of 1129526959 is about 1041.4350747636.

It can be divided in two parts, 112952 and 6959, that added together give a palindrome (119911).

The spelling of 1129526959 in words is "one billion, one hundred twenty-nine million, five hundred twenty-six thousand, nine hundred fifty-nine".