10421210 has 8 divisors (see below), whose sum is σ = 18758196. Its totient is φ = 4168480.

The previous prime is 10421207. The next prime is 10421233. The reversal of 10421210 is 1212401.

It can be written as a sum of positive squares in 2 ways, for example, as 9320809 + 1100401 = 3053^2 + 1049^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10421191 and 10421200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521051 + ... + 521070.

Almost surely, 2^10421210 is an apocalyptic number.

10421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10421210 is a deficient number, since it is larger than the sum of its proper divisors (8336986).

10421210 is a wasteful number, since it uses less digits than its factorization.

10421210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042128.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10421210 is about 3228.1898952819. The cubic root of 10421210 is about 218.4268633069.

Adding to 10421210 its reverse (1212401), we get a palindrome (11633611).

The spelling of 10421210 in words is "ten million, four hundred twenty-one thousand, two hundred ten".