420881127 has 4 divisors (see below), whose sum is σ = 561174840. Its totient is φ = 280587416.

The previous prime is 420881107. The next prime is 420881129. The reversal of 420881127 is 721188024.

It is a happy number.

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 420881127 - 2²⁴ = 404103911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420881129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70146852 + ... + 70146857.

It is an arithmetic number, because the mean of its divisors is an integer number (140293710).

Almost surely, 2^420881127 is an apocalyptic number.

420881127 is a deficient number, since it is larger than the sum of its proper divisors (140293713).

420881127 is a wasteful number, since it uses less digits than its factorization.

420881127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140293712.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 420881127 is about 20515.3875664098. The cubic root of 420881127 is about 749.4105751146.

The spelling of 420881127 in words is "four hundred twenty million, eight hundred eighty-one thousand, one hundred twenty-seven".