10271421 has 8 divisors (see below), whose sum is σ = 15216960. Its totient is φ = 6847596.

The previous prime is 10271389. The next prime is 10271441. The reversal of 10271421 is 12417201.

It is not a de Polignac number, because 10271421 - 2⁵ = 10271389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10271394 and 10271403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10271441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190185 + ... + 190238.

It is an arithmetic number, because the mean of its divisors is an integer number (1902120).

Almost surely, 2^10271421 is an apocalyptic number.

It is an amenable number.

10271421 is a deficient number, since it is larger than the sum of its proper divisors (4945539).

10271421 is an equidigital number, since it uses as much as digits as its factorization.

10271421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380432 (or 380426 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 10271421 is about 3204.9057708457. The cubic root of 10271421 is about 217.3752911724.

Adding to 10271421 its reverse (12417201), we get a palindrome (22688622).

The spelling of 10271421 in words is "ten million, two hundred seventy-one thousand, four hundred twenty-one".