1131124432 has 20 divisors (see below), whose sum is σ = 2201130820. Its totient is φ = 563090688.

The previous prime is 1131124409. The next prime is 1131124433. The reversal of 1131124432 is 2344211311.

It can be written as a sum of positive squares in 2 ways, for example, as 917847616 + 213276816 = 30296^2 + 14604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131124433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150693 + ... + 158020.

It is an arithmetic number, because the mean of its divisors is an integer number (110056541).

Almost surely, 2^1131124432 is an apocalyptic number.

It is an amenable number.

1131124432 is a deficient number, since it is larger than the sum of its proper divisors (1070006388).

1131124432 is a wasteful number, since it uses less digits than its factorization.

1131124432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308950 (or 308944 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1131124432 is about 33632.1933866942. The cubic root of 1131124432 is about 1041.9258054827.

Adding to 1131124432 its reverse (2344211311), we get a palindrome (3475335743).

The spelling of 1131124432 in words is "one billion, one hundred thirty-one million, one hundred twenty-four thousand, four hundred thirty-two".