1140728712 has 32 divisors (see below), whose sum is σ = 2878480800. Its totient is φ = 376688384.

The previous prime is 1140728711. The next prime is 1140728761. The reversal of 1140728712 is 2178270411.

It is not an unprimeable number, because it can be changed into a prime (1140728711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219537 + ... + 224672.

It is an arithmetic number, because the mean of its divisors is an integer number (89952525).

Almost surely, 2^1140728712 is an apocalyptic number.

1140728712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140728712 is an abundant number, since it is smaller than the sum of its proper divisors (1737752088).

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

1140728712 is a wasteful number, since it uses less digits than its factorization.

1140728712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444325 (or 444321 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1140728712 is about 33774.6756016990. The cubic root of 1140728712 is about 1044.8664655421.

The spelling of 1140728712 in words is "one billion, one hundred forty million, seven hundred twenty-eight thousand, seven hundred twelve".