10421171 has 4 divisors (see below), whose sum is σ = 10430952. Its totient is φ = 10411392.

The previous prime is 10421143. The next prime is 10421207. The reversal of 10421171 is 17112401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10421171 - 2⁶ = 10421107 is a prime.

It is a super-2 number, since 2×10421171² = 217201610022482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421141) 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 3 ways as a sum of consecutive naturals, for example, 3065 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (2607738).

Almost surely, 2^10421171 is an apocalyptic number.

10421171 is a deficient number, since it is larger than the sum of its proper divisors (9781).

10421171 is an equidigital number, since it uses as much as digits as its factorization.

10421171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 10421171 is about 3228.1838547394. The cubic root of 10421171 is about 218.4265908287.

Adding to 10421171 its reverse (17112401), we get a palindrome (27533572).

The spelling of 10421171 in words is "ten million, four hundred twenty-one thousand, one hundred seventy-one".