420228127 has 8 divisors (see below), whose sum is σ = 461509200. Its totient is φ = 379460160.

The previous prime is 420228119. The next prime is 420228131. The reversal of 420228127 is 721822024.

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 420228127 - 2³ = 420228119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420228095 and 420228104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420228227) 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, 126558 + ... + 129835.

It is an arithmetic number, because the mean of its divisors is an integer number (57688650).

Almost surely, 2^420228127 is an apocalyptic number.

420228127 is a deficient number, since it is larger than the sum of its proper divisors (41281073).

420228127 is a wasteful number, since it uses less digits than its factorization.

420228127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256553.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 420228127 is about 20499.4665052533. The cubic root of 420228127 is about 749.0228025925.

The spelling of 420228127 in words is "four hundred twenty million, two hundred twenty-eight thousand, one hundred twenty-seven".