1040440124 has 6 divisors (see below), whose sum is σ = 1820770224. Its totient is φ = 520220060.

The previous prime is 1040440117. The next prime is 1040440147. The reversal of 1040440124 is 4210440401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1040440096 and 1040440105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130055012 + ... + 130055019.

It is an arithmetic number, because the mean of its divisors is an integer number (303461704).

Almost surely, 2^1040440124 is an apocalyptic number.

It is an amenable number.

1040440124 is a deficient number, since it is larger than the sum of its proper divisors (780330100).

1040440124 is a wasteful number, since it uses less digits than its factorization.

1040440124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260110035 (or 260110033 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1040440124 is about 32255.8541043328. The cubic root of 1040440124 is about 1013.3023053846.

Adding to 1040440124 its reverse (4210440401), we get a palindrome (5250880525).

The spelling of 1040440124 in words is "one billion, forty million, four hundred forty thousand, one hundred twenty-four".