10420859 has 4 divisors (see below), whose sum is σ = 10427616. Its totient is φ = 10414104.

The previous prime is 10420829. The next prime is 10420901. The reversal of 10420859 is 95802401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 95802401 = 3931 ⋅24371.

It is a cyclic number.

It is not a de Polignac number, because 10420859 - 2⁸ = 10420603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (2606904).

Almost surely, 2^10420859 is an apocalyptic number.

10420859 is a deficient number, since it is larger than the sum of its proper divisors (6757).

10420859 is an equidigital number, since it uses as much as digits as its factorization.

10420859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 10420859 is about 3228.1355299925. The cubic root of 10420859 is about 218.4244109784.

The spelling of 10420859 in words is "ten million, four hundred twenty thousand, eight hundred fifty-nine".