1043242321 has 8 divisors (see below), whose sum is σ = 1152489600. Its totient is φ = 936396240.

The previous prime is 1043242297. The next prime is 1043242331. The reversal of 1043242321 is 1232423401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043242321 - 2¹⁵ = 1043209553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043242292 and 1043242301.

It is not an unprimeable number, because it can be changed into a prime (1043242331) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 599386 + ... + 601123.

It is an arithmetic number, because the mean of its divisors is an integer number (144061200).

Almost surely, 2^1043242321 is an apocalyptic number.

1043242321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1043242321 is a deficient number, since it is larger than the sum of its proper divisors (109247279).

1043242321 is a wasteful number, since it uses less digits than its factorization.

1043242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200599.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1043242321 is about 32299.2619265518. The cubic root of 1043242321 is about 1014.2111923248.

Adding to 1043242321 its reverse (1232423401), we get a palindrome (2275665722).

The spelling of 1043242321 in words is "one billion, forty-three million, two hundred forty-two thousand, three hundred twenty-one".