10421042 has 16 divisors (see below), whose sum is σ = 15991992. Its totient is φ = 5091840.

The previous prime is 10421039. The next prime is 10421083. The reversal of 10421042 is 24012401.

It can be written as a sum of positive squares in 4 ways, for example, as 8649481 + 1771561 = 2941^2 + 1331^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19742 + ... + 20262.

Almost surely, 2^10421042 is an apocalyptic number.

10421042 is a deficient number, since it is larger than the sum of its proper divisors (5570950).

10421042 is a wasteful number, since it uses less digits than its factorization.

10421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10421042 is about 3228.1638744029. The cubic root of 10421042 is about 218.4256895497.

Adding to 10421042 its reverse (24012401), we get a palindrome (34433443).

The spelling of 10421042 in words is "ten million, four hundred twenty-one thousand, forty-two".