1044120140 has 48 divisors (see below), whose sum is σ = 2553187392. Its totient is φ = 351227136.

The previous prime is 1044120139. The next prime is 1044120151. The reversal of 1044120140 is 410214401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62939 + ... + 77778.

It is an arithmetic number, because the mean of its divisors is an integer number (53191404).

Almost surely, 2^1044120140 is an apocalyptic number.

1044120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044120140 is an abundant number, since it is smaller than the sum of its proper divisors (1509067252).

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

1044120140 is a wasteful number, since it uses less digits than its factorization.

1044120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140786 (or 140784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1044120140 is about 32312.8479091522. The cubic root of 1044120140 is about 1014.4955763219.

Adding to 1044120140 its reverse (410214401), we get a palindrome (1454334541).

The spelling of 1044120140 in words is "one billion, forty-four million, one hundred twenty thousand, one hundred forty".