10421231 has 16 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 9568416.

The previous prime is 10421207. The next prime is 10421233. The reversal of 10421231 is 13212401.

It is a cyclic number.

It is not a de Polignac number, because 10421231 - 2¹⁴ = 10404847 is a prime.

It is a super-2 number, since 2×10421231² = 217204111110722, 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 (10421233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101126 + ... + 101228.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^10421231 is an apocalyptic number.

10421231 is a deficient number, since it is larger than the sum of its proper divisors (900625).

10421231 is a wasteful number, since it uses less digits than its factorization.

10421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10421231 is about 3228.1931478770. The cubic root of 10421231 is about 218.4270100256.

Adding to 10421231 its reverse (13212401), we get a palindrome (23633632).

The spelling of 10421231 in words is "ten million, four hundred twenty-one thousand, two hundred thirty-one".