1124643432 has 128 divisors (see below), whose sum is σ = 3360009600. Its totient is φ = 309657600.

The previous prime is 1124643413. The next prime is 1124643433. The reversal of 1124643432 is 2343464211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1124643432.

It is not an unprimeable number, because it can be changed into a prime (1124643433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125832 + ... + 134472.

It is an arithmetic number, because the mean of its divisors is an integer number (26250075).

Almost surely, 2^1124643432 is an apocalyptic number.

1124643432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124643432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680004800).

1124643432 is an abundant number, since it is smaller than the sum of its proper divisors (2235366168).

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

1124643432 is a wasteful number, since it uses less digits than its factorization.

1124643432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707 (or 8703 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 1124643432 is about 33535.7038393411. The cubic root of 1124643432 is about 1039.9320197183.

The spelling of 1124643432 in words is "one billion, one hundred twenty-four million, six hundred forty-three thousand, four hundred thirty-two".