1050504021 has 12 divisors (see below), whose sum is σ = 1734165472. Its totient is φ = 600287976.

The previous prime is 1050503999. The next prime is 1050504023. The reversal of 1050504021 is 1204050501.

It is not a de Polignac number, because 1050504021 - 2⁶ = 1050503957 is a prime.

It is a super-2 number, since 2×1050504021² = 2207117396274336882, 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 = 1050503985 and 1050504003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050504023) 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 11 ways as a sum of consecutive naturals, for example, 8337271 + ... + 8337396.

Almost surely, 2^1050504021 is an apocalyptic number.

It is an amenable number.

1050504021 is a deficient number, since it is larger than the sum of its proper divisors (683661451).

1050504021 is a wasteful number, since it uses less digits than its factorization.

1050504021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674680 (or 16674677 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1050504021 is about 32411.4797718339. The cubic root of 1050504021 is about 1016.5589609929.

Adding to 1050504021 its reverse (1204050501), we get a palindrome (2254554522).

The spelling of 1050504021 in words is "one billion, fifty million, five hundred four thousand, twenty-one".