1050321 has 4 divisors (see below), whose sum is σ = 1400432. Its totient is φ = 700212.

The previous prime is 1050317. The next prime is 1050323. The reversal of 1050321 is 1230501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1050321 - 2² = 1050317 is a prime.

It is a super-2 number, since 2×1050321² = 2206348406082, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050297 and 1050306.

It is not an unprimeable number, because it can be changed into a prime (1050323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175051 + ... + 175056.

It is an arithmetic number, because the mean of its divisors is an integer number (350108).

2^1050321 is an apocalyptic number.

It is an amenable number.

1050321 is a deficient number, since it is larger than the sum of its proper divisors (350111).

1050321 is an equidigital number, since it uses as much as digits as its factorization.

1050321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350110.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1050321 is about 1024.8516965883. The cubic root of 1050321 is about 101.6499921891.

Adding to 1050321 its reverse (1230501), we get a palindrome (2280822).

The spelling of 1050321 in words is "one million, fifty thousand, three hundred twenty-one".