1129160263 has 54 divisors (see below), whose sum is σ = 1492486632. Its totient is φ = 851059440.

The previous prime is 1129160257. The next prime is 1129160267. The reversal of 1129160263 is 3620619211.

It is not a de Polignac number, because 1129160263 - 2²⁵ = 1095605831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129160267) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10962670 + ... + 10962772.

Almost surely, 2^1129160263 is an apocalyptic number.

1129160263 is a deficient number, since it is larger than the sum of its proper divisors (363326369).

1129160263 is a wasteful number, since it uses less digits than its factorization.

1129160263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1129160263 is about 33602.9799720203. The cubic root of 1129160263 is about 1041.3223634477.

Adding to 1129160263 its reverse (3620619211), we get a palindrome (4749779474).

The spelling of 1129160263 in words is "one billion, one hundred twenty-nine million, one hundred sixty thousand, two hundred sixty-three".