10421069 has 4 divisors (see below), whose sum is σ = 10431744. Its totient is φ = 10410396.

The previous prime is 10421039. The next prime is 10421083. The reversal of 10421069 is 96012401.

It is a happy number.

10421069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10421069 is a prime.

It is a super-2 number, since 2×10421069² = 217197358205522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3707 + ... + 5880.

It is an arithmetic number, because the mean of its divisors is an integer number (2607936).

Almost surely, 2^10421069 is an apocalyptic number.

It is an amenable number.

10421069 is a deficient number, since it is larger than the sum of its proper divisors (10675).

10421069 is an equidigital number, since it uses as much as digits as its factorization.

10421069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10421069 is about 3228.1680563440. The cubic root of 10421069 is about 218.4258781901.

The spelling of 10421069 in words is "ten million, four hundred twenty-one thousand, sixty-nine".