404127 has 12 divisors (see below), whose sum is σ = 591864. Its totient is φ = 265680.

The previous prime is 404123. The next prime is 404161. The reversal of 404127 is 721404.

It is a happy number.

It is not a de Polignac number, because 404127 - 2² = 404123 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404123) 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 11 ways as a sum of consecutive naturals, for example, 477 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (49322).

2⁴⁰⁴¹²⁷ is an apocalyptic number.

404127 is a deficient number, since it is larger than the sum of its proper divisors (187737).

404127 is a wasteful number, since it uses less digits than its factorization.

404127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 404127 is about 635.7098394708. The cubic root of 404127 is about 73.9331634159.

The spelling of 404127 in words is "four hundred four thousand, one hundred twenty-seven", and thus it is an iban number.