420124211 has 16 divisors (see below), whose sum is σ = 463325184. Its totient is φ = 378524064.

The previous prime is 420124207. The next prime is 420124231. The reversal of 420124211 is 112421024.

It is a cyclic number.

It is not a de Polignac number, because 420124211 - 2² = 420124207 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 420124211.

It is not an unprimeable number, because it can be changed into a prime (420124231) 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 15 ways as a sum of consecutive naturals, for example, 306650 + ... + 308016.

It is an arithmetic number, because the mean of its divisors is an integer number (28957824).

Almost surely, 2^420124211 is an apocalyptic number.

420124211 is a deficient number, since it is larger than the sum of its proper divisors (43200973).

420124211 is a wasteful number, since it uses less digits than its factorization.

420124211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 420124211 is about 20496.9317459955. The cubic root of 420124211 is about 748.9610568682.

Adding to 420124211 its reverse (112421024), we get a palindrome (532545235).

The spelling of 420124211 in words is "four hundred twenty million, one hundred twenty-four thousand, two hundred eleven".