420814105 has 8 divisors (see below), whose sum is σ = 505418112. Its totient is φ = 336357168.

The previous prime is 420814103. The next prime is 420814111. The reversal of 420814105 is 501418024.

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

It is a cyclic number.

It is not a de Polignac number, because 420814105 - 2¹ = 420814103 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 420814105.

It is not an unprimeable number, because it can be changed into a prime (420814103) 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 7 ways as a sum of consecutive naturals, for example, 30369 + ... + 41998.

It is an arithmetic number, because the mean of its divisors is an integer number (63177264).

Almost surely, 2^420814105 is an apocalyptic number.

It is an amenable number.

420814105 is a deficient number, since it is larger than the sum of its proper divisors (84604007).

420814105 is a wasteful number, since it uses less digits than its factorization.

420814105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73535.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 420814105 is about 20513.7540445429. The cubic root of 420814105 is about 749.3707937618.

The spelling of 420814105 in words is "four hundred twenty million, eight hundred fourteen thousand, one hundred five".