1129823424 has 112 divisors (see below), whose sum is σ = 3336483040. Its totient is φ = 374906880.

The previous prime is 1129823393. The next prime is 1129823501. The reversal of 1129823424 is 4243289211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415092 + ... + 417804.

Almost surely, 2^1129823424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129823424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668241520).

1129823424 is an abundant number, since it is smaller than the sum of its proper divisors (2206659616).

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

1129823424 is a wasteful number, since it uses less digits than its factorization.

1129823424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2959 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1129823424 is about 33612.8461157338. The cubic root of 1129823424 is about 1041.5261813514.

The spelling of 1129823424 in words is "one billion, one hundred twenty-nine million, eight hundred twenty-three thousand, four hundred twenty-four".