1140123044 has 12 divisors (see below), whose sum is σ = 2100226800. Its totient is φ = 540058248.

The previous prime is 1140123043. The next prime is 1140123067. The reversal of 1140123044 is 4403210411.

It is not an unprimeable number, because it can be changed into a prime (1140123043) 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, 7500734 + ... + 7500885.

It is an arithmetic number, because the mean of its divisors is an integer number (175018900).

Almost surely, 2^1140123044 is an apocalyptic number.

It is an amenable number.

1140123044 is a deficient number, since it is larger than the sum of its proper divisors (960103756).

1140123044 is a wasteful number, since it uses less digits than its factorization.

1140123044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001642 (or 15001640 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140123044 is about 33765.7081074868. The cubic root of 1140123044 is about 1044.6815094373.

Adding to 1140123044 its reverse (4403210411), we get a palindrome (5543333455).

The spelling of 1140123044 in words is "one billion, one hundred forty million, one hundred twenty-three thousand, forty-four".