10421144 has 16 divisors (see below), whose sum is σ = 19573920. Its totient is φ = 5201440.

The previous prime is 10421143. The next prime is 10421207. The reversal of 10421144 is 44112401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421141) 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 3 ways as a sum of consecutive naturals, for example, 8234 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (1223370).

Almost surely, 2^10421144 is an apocalyptic number.

It is an amenable number.

10421144 is a deficient number, since it is larger than the sum of its proper divisors (9152776).

10421144 is a wasteful number, since it uses less digits than its factorization.

10421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 10421144 is about 3228.1796728187. The cubic root of 10421144 is about 218.4264021895.

Adding to 10421144 its reverse (44112401), we get a palindrome (54533545).

The spelling of 10421144 in words is "ten million, four hundred twenty-one thousand, one hundred forty-four".