1124388864 has 130 divisors (see below), whose sum is σ = 3359866290. Its totient is φ = 374685696.

The previous prime is 1124388829. The next prime is 1124388869. The reversal of 1124388864 is 4688834211.

It can be written as a sum of positive squares in only one way, i.e., 1116094464 + 8294400 = 33408^2 + 2880^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124388869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 330082 + ... + 333470.

Almost surely, 2^1124388864 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 1124388864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679933145).

1124388864 is an abundant number, since it is smaller than the sum of its proper divisors (2235477426).

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

1124388864 is an frugal number, since it uses more digits than its factorization.

1124388864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3394 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 1124388864 is about 33531.9081473154. The cubic root of 1124388864 is about 1039.8535493978.

The spelling of 1124388864 in words is "one billion, one hundred twenty-four million, three hundred eighty-eight thousand, eight hundred sixty-four".