1050321005 has 16 divisors (see below), whose sum is σ = 1270080000. Its totient is φ = 833817600.

The previous prime is 1050321001. The next prime is 1050321017. The reversal of 1050321005 is 5001230501.

It is not a de Polignac number, because 1050321005 - 2² = 1050321001 is a prime.

It is a super-2 number, since 2×1050321005² = 2206348427088420050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050321001) 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, 445580 + ... + 447930.

It is an arithmetic number, because the mean of its divisors is an integer number (79380000).

Almost surely, 2^1050321005 is an apocalyptic number.

It is an amenable number.

1050321005 is a deficient number, since it is larger than the sum of its proper divisors (219758995).

1050321005 is a wasteful number, since it uses less digits than its factorization.

1050321005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1050321005 is about 32408.6563282096. The cubic root of 1050321005 is about 1016.4999235035.

Adding to 1050321005 its reverse (5001230501), we get a palindrome (6051551506).

It can be divided in two parts, 10503 and 21005, that multiplied together give a triangular number (220615515 = T₂₁₀₀₅).

The spelling of 1050321005 in words is "one billion, fifty million, three hundred twenty-one thousand, five".