10420143 has 8 divisors (see below), whose sum is σ = 13930800. Its totient is φ = 6928128.

The previous prime is 10420139. The next prime is 10420153. The reversal of 10420143 is 34102401.

10420143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10420143 - 2² = 10420139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3298 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (1741350).

Almost surely, 2^10420143 is an apocalyptic number.

10420143 is a deficient number, since it is larger than the sum of its proper divisors (3510657).

10420143 is an equidigital number, since it uses as much as digits as its factorization.

10420143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10420143 is about 3228.0246281588. The cubic root of 10420143 is about 218.4194083371.

Adding to 10420143 its reverse (34102401), we get a palindrome (44522544).

The spelling of 10420143 in words is "ten million, four hundred twenty thousand, one hundred forty-three".