1129263884 has 24 divisors (see below), whose sum is σ = 2260177920. Its totient is φ = 483616656.

The previous prime is 1129263869. The next prime is 1129263929. The reversal of 1129263884 is 4883629211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26279 + ... + 54305.

It is an arithmetic number, because the mean of its divisors is an integer number (94174080).

Almost surely, 2^1129263884 is an apocalyptic number.

1129263884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1129263884 is an abundant number, since it is smaller than the sum of its proper divisors (1130914036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129263884 is a wasteful number, since it uses less digits than its factorization.

1129263884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29477 (or 29475 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 1129263884 is about 33604.5217790701. The cubic root of 1129263884 is about 1041.3542158982.

The spelling of 1129263884 in words is "one billion, one hundred twenty-nine million, two hundred sixty-three thousand, eight hundred eighty-four".