10421027 has 4 divisors (see below), whose sum is σ = 10434456. Its totient is φ = 10407600.

The previous prime is 10421023. The next prime is 10421029. The reversal of 10421027 is 72012401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10421027 - 2² = 10421023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420996 and 10421014.

It is not an unprimeable number, because it can be changed into a prime (10421023) by changing a digit.

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, 5474 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (2608614).

Almost surely, 2^10421027 is an apocalyptic number.

10421027 is a deficient number, since it is larger than the sum of its proper divisors (13429).

10421027 is an equidigital number, since it uses as much as digits as its factorization.

10421027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 10421027 is about 3228.1615510999. The cubic root of 10421027 is about 218.4255847493.

Adding to 10421027 its reverse (72012401), we get a palindrome (82433428).

The spelling of 10421027 in words is "ten million, four hundred twenty-one thousand, twenty-seven".