420500107 has 8 divisors (see below), whose sum is σ = 427401216. Its totient is φ = 413617512.

The previous prime is 420500081. The next prime is 420500111. The reversal of 420500107 is 701005024.

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 420500107 - 2¹¹ = 420498059 is a prime.

It is a super-2 number, since 2×420500107² = 353640679974022898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420500137) 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 7 ways as a sum of consecutive naturals, for example, 45558 + ... + 54004.

It is an arithmetic number, because the mean of its divisors is an integer number (53425152).

Almost surely, 2^420500107 is an apocalyptic number.

420500107 is a deficient number, since it is larger than the sum of its proper divisors (6901109).

420500107 is an equidigital number, since it uses as much as digits as its factorization.

420500107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 420500107 is about 20506.0992633899. The cubic root of 420500107 is about 749.1843618934.

The spelling of 420500107 in words is "four hundred twenty million, five hundred thousand, one hundred seven".