406127 has 4 divisors (see below), whose sum is σ = 414816. Its totient is φ = 397440.

The previous prime is 406123. The next prime is 406169. The reversal of 406127 is 721604.

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 406127 - 2² = 406123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406099 and 406108.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 406127.

It is not an unprimeable number, because it can be changed into a prime (406123) 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 3 ways as a sum of consecutive naturals, for example, 4274 + ... + 4367.

It is an arithmetic number, because the mean of its divisors is an integer number (103704).

2⁴⁰⁶¹²⁷ is an apocalyptic number.

406127 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

406127 is a deficient number, since it is larger than the sum of its proper divisors (8689).

406127 is an equidigital number, since it uses as much as digits as its factorization.

406127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 406127 is about 637.2809427560. The cubic root of 406127 is about 74.0549263502.

The spelling of 406127 in words is "four hundred six thousand, one hundred twenty-seven".