1131224032 has 12 divisors (see below), whose sum is σ = 2227097376. Its totient is φ = 565612000.

The previous prime is 1131224027. The next prime is 1131224041. The reversal of 1131224032 is 2304221311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17675344 + ... + 17675407.

It is an arithmetic number, because the mean of its divisors is an integer number (185591448).

Almost surely, 2^1131224032 is an apocalyptic number.

It is an amenable number.

1131224032 is a deficient number, since it is larger than the sum of its proper divisors (1095873344).

1131224032 is an equidigital number, since it uses as much as digits as its factorization.

1131224032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35350761 (or 35350753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1131224032 is about 33633.6740782211. The cubic root of 1131224032 is about 1041.9563864873.

Adding to 1131224032 its reverse (2304221311), we get a palindrome (3435445343).

It can be divided in two parts, 11312 and 24032, that added together give a square (35344 = 188²).

The spelling of 1131224032 in words is "one billion, one hundred thirty-one million, two hundred twenty-four thousand, thirty-two".