10421200 has 30 divisors (see below), whose sum is σ = 25037894. Its totient is φ = 4168320.

The previous prime is 10421143. The next prime is 10421207. The reversal of 10421200 is 212401.

It can be written as a sum of positive squares in 3 ways, for example, as 1871424 + 8549776 = 1368^2 + 2924^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421207) 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 5 ways as a sum of consecutive naturals, for example, 12627 + ... + 13426.

Almost surely, 2^10421200 is an apocalyptic number.

10421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421200 is an abundant number, since it is smaller than the sum of its proper divisors (14616694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421200 is a wasteful number, since it uses less digits than its factorization.

10421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26071 (or 26060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10421200 is about 3228.1883464259. The cubic root of 10421200 is about 218.4267934407.

Adding to 10421200 its reverse (212401), we get a palindrome (10633601).

The spelling of 10421200 in words is "ten million, four hundred twenty-one thousand, two hundred".