1321043124 has 48 divisors (see below), whose sum is σ = 3161483136. Its totient is φ = 429081600.

The previous prime is 1321043107. The next prime is 1321043159. The reversal of 1321043124 is 4213401231.

1321043124 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1321043124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742524 + ... + 744300.

It is an arithmetic number, because the mean of its divisors is an integer number (65864232).

Almost surely, 2^1321043124 is an apocalyptic number.

It is an amenable number.

1321043124 is an abundant number, since it is smaller than the sum of its proper divisors (1840440012).

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

1321043124 is a wasteful number, since it uses less digits than its factorization.

1321043124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3334 counting only the distinct ones).

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

The square root of 1321043124 is about 36346.1569357752. The cubic root of 1321043124 is about 1097.2501906343.

Adding to 1321043124 its reverse (4213401231), we get a palindrome (5534444355).

The spelling of 1321043124 in words is "one billion, three hundred twenty-one million, forty-three thousand, one hundred twenty-four".