10671021 has 20 divisors (see below), whose sum is σ = 16285632. Its totient is φ = 6960168.

The previous prime is 10671007. The next prime is 10671041. The reversal of 10671021 is 12017601.

It is not a de Polignac number, because 10671021 - 2⁷ = 10670893 is a prime.

It is a super-2 number, since 2×10671021² = 227741378364882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10670985 and 10671003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10671041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2406 + ... + 5208.

Almost surely, 2^10671021 is an apocalyptic number.

It is an amenable number.

10671021 is a deficient number, since it is larger than the sum of its proper divisors (5614611).

10671021 is an equidigital number, since it uses as much as digits as its factorization.

10671021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 10671021 is about 3266.6528741205. The cubic root of 10671021 is about 220.1584327095.

Adding to 10671021 its reverse (12017601), we get a palindrome (22688622).

The spelling of 10671021 in words is "ten million, six hundred seventy-one thousand, twenty-one".