10421066 has 8 divisors (see below), whose sum is σ = 15656004. Its totient is φ = 5202400.

The previous prime is 10421039. The next prime is 10421083. The reversal of 10421066 is 66012401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 46225 = 3221^2 + 215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315 + ... + 5118.

Almost surely, 2^10421066 is an apocalyptic number.

10421066 is a deficient number, since it is larger than the sum of its proper divisors (5234938).

10421066 is an equidigital number, since it uses as much as digits as its factorization.

10421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10421066 is about 3228.1675916842. The cubic root of 10421066 is about 218.4258572301.

Adding to 10421066 its reverse (66012401), we get a palindrome (76433467).

The spelling of 10421066 in words is "ten million, four hundred twenty-one thousand, sixty-six".