420059 has 4 divisors (see below), whose sum is σ = 424320. Its totient is φ = 415800.

The previous prime is 420047. The next prime is 420073. The reversal of 420059 is 950024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420059 - 2⁸ = 419803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420059.

It is not an unprimeable number, because it can be changed into a prime (420029) 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, 1979 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (106080).

2⁴²⁰⁰⁵⁹ is an apocalyptic number.

420059 is a deficient number, since it is larger than the sum of its proper divisors (4261).

420059 is a wasteful number, since it uses less digits than its factorization.

420059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 420059 is about 648.1195877305. The cubic root of 420059 is about 74.8922304022.

The spelling of 420059 in words is "four hundred twenty thousand, fifty-nine".