1140311043 has 48 divisors (see below), whose sum is σ = 1759979520. Its totient is φ = 709929792.

The previous prime is 1140311017. The next prime is 1140311047. The reversal of 1140311043 is 3401130411.

It is not a de Polignac number, because 1140311043 - 2⁶ = 1140310979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140311047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1684021 + ... + 1684697.

It is an arithmetic number, because the mean of its divisors is an integer number (36666240).

Almost surely, 2^1140311043 is an apocalyptic number.

1140311043 is a deficient number, since it is larger than the sum of its proper divisors (619668477).

1140311043 is a wasteful number, since it uses less digits than its factorization.

1140311043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1140311043 is about 33768.4918674198. The cubic root of 1140311043 is about 1044.7389267152.

Adding to 1140311043 its reverse (3401130411), we get a palindrome (4541441454).

The spelling of 1140311043 in words is "one billion, one hundred forty million, three hundred eleven thousand, forty-three".