6402127 has 8 divisors (see below), whose sum is σ = 6656400. Its totient is φ = 6150144.

The previous prime is 6402091. The next prime is 6402139. The reversal of 6402127 is 7212046.

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 6402127 - 2¹⁵ = 6369359 is a prime.

It is a Duffinian number.

6402127 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6402098 and 6402107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402157) 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, 7024 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (832050).

Almost surely, 2^6402127 is an apocalyptic number.

6402127 is a deficient number, since it is larger than the sum of its proper divisors (254273).

6402127 is a wasteful number, since it uses less digits than its factorization.

6402127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6402127 is about 2530.2424784988. The cubic root of 6402127 is about 185.6841191069.

The spelling of 6402127 in words is "six million, four hundred two thousand, one hundred twenty-seven".