1140031232 has 36 divisors (see below), whose sum is σ = 2281901160. Its totient is φ = 568439808.

The previous prime is 1140031229. The next prime is 1140031241. The reversal of 1140031232 is 2321300411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140031232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89519 + ... + 101457.

Almost surely, 2^1140031232 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 1140031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140950580).

1140031232 is an abundant number, since it is smaller than the sum of its proper divisors (1141869928).

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

1140031232 is an equidigital number, since it uses as much as digits as its factorization.

1140031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328 (or 12314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1140031232 is about 33764.3485351043. The cubic root of 1140031232 is about 1044.6534665946.

Adding to 1140031232 its reverse (2321300411), we get a palindrome (3461331643).

The spelling of 1140031232 in words is "one billion, one hundred forty million, thirty-one thousand, two hundred thirty-two".