1063105321 has 4 divisors (see below), whose sum is σ = 1063332100. Its totient is φ = 1062878544.

The previous prime is 1063105301. The next prime is 1063105327. The reversal of 1063105321 is 1235013601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 598487296 + 464618025 = 24464^2 + 21555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063105321 - 2⁷ = 1063105193 is a prime.

It is a super-2 number, since 2×1063105321² = 2260385847077026082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1063105292 and 1063105301.

It is not an unprimeable number, because it can be changed into a prime (1063105327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106206 + ... + 115783.

It is an arithmetic number, because the mean of its divisors is an integer number (265833025).

Almost surely, 2^1063105321 is an apocalyptic number.

It is an amenable number.

1063105321 is a deficient number, since it is larger than the sum of its proper divisors (226779).

1063105321 is an equidigital number, since it uses as much as digits as its factorization.

1063105321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226778.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1063105321 is about 32605.2959041932. The cubic root of 1063105321 is about 1020.6075199889.

Adding to 1063105321 its reverse (1235013601), we get a palindrome (2298118922).

The spelling of 1063105321 in words is "one billion, sixty-three million, one hundred five thousand, three hundred twenty-one".