1243130124 has 48 divisors (see below), whose sum is σ = 3003840000. Its totient is φ = 399663936.

The previous prime is 1243130123. The next prime is 1243130137. The reversal of 1243130124 is 4210313421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243130124.

It is not an unprimeable number, because it can be changed into a prime (1243130123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620877 + ... + 622875.

It is an arithmetic number, because the mean of its divisors is an integer number (62580000).

Almost surely, 2^1243130124 is an apocalyptic number.

It is an amenable number.

1243130124 is an abundant number, since it is smaller than the sum of its proper divisors (1760709876).

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

1243130124 is a wasteful number, since it uses less digits than its factorization.

1243130124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1243130124 is about 35258.0504849602. The cubic root of 1243130124 is about 1075.2402921287.

Adding to 1243130124 its reverse (4210313421), we get a palindrome (5453443545).

The spelling of 1243130124 in words is "one billion, two hundred forty-three million, one hundred thirty thousand, one hundred twenty-four".