1042263321 has 16 divisors (see below), whose sum is σ = 1518739200. Its totient is φ = 630541520.

The previous prime is 1042263301. The next prime is 1042263329. The reversal of 1042263321 is 1233622401.

It is a cyclic number.

It is not a de Polignac number, because 1042263321 - 2¹³ = 1042255129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042263291 and 1042263300.

It is not an unprimeable number, because it can be changed into a prime (1042263329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9471 + ... + 46628.

It is an arithmetic number, because the mean of its divisors is an integer number (94921200).

Almost surely, 2^1042263321 is an apocalyptic number.

1042263321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1042263321 is a deficient number, since it is larger than the sum of its proper divisors (476475879).

1042263321 is a wasteful number, since it uses less digits than its factorization.

1042263321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56676.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1042263321 is about 32284.1032243425. The cubic root of 1042263321 is about 1013.8938408366.

Adding to 1042263321 its reverse (1233622401), we get a palindrome (2275885722).

The spelling of 1042263321 in words is "one billion, forty-two million, two hundred sixty-three thousand, three hundred twenty-one".