654428127 has 16 divisors (see below), whose sum is σ = 878929920. Its totient is φ = 433118112.

The previous prime is 654428119. The next prime is 654428129. The reversal of 654428127 is 721824456.

It is not a de Polignac number, because 654428127 - 2³ = 654428119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654428129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266218 + ... + 268664.

It is an arithmetic number, because the mean of its divisors is an integer number (54933120).

Almost surely, 2^654428127 is an apocalyptic number.

654428127 is a deficient number, since it is larger than the sum of its proper divisors (224501793).

654428127 is a wasteful number, since it uses less digits than its factorization.

654428127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its digits is 107520, while the sum is 39.

The square root of 654428127 is about 25581.7928808753. The cubic root of 654428127 is about 868.2017407687.

The spelling of 654428127 in words is "six hundred fifty-four million, four hundred twenty-eight thousand, one hundred twenty-seven".