10421142 has 16 divisors (see below), whose sum is σ = 20874672. Its totient is φ = 3468320.

The previous prime is 10421141. The next prime is 10421143. The reversal of 10421142 is 24112401.

10421142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10421141) and next prime (10421143).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (1304667).

Almost surely, 2^10421142 is an apocalyptic number.

10421142 is an abundant number, since it is smaller than the sum of its proper divisors (10453530).

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

10421142 is a wasteful number, since it uses less digits than its factorization.

10421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 10421142 is about 3228.1793630466. The cubic root of 10421142 is about 218.4263882162.

Adding to 10421142 its reverse (24112401), we get a palindrome (34533543).

The spelling of 10421142 in words is "ten million, four hundred twenty-one thousand, one hundred forty-two".