401127 has 4 divisors (see below), whose sum is σ = 534840. Its totient is φ = 267416.

The previous prime is 401119. The next prime is 401161. The reversal of 401127 is 721104.

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 401127 - 2³ = 401119 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401627) 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, 66852 + ... + 66857.

It is an arithmetic number, because the mean of its divisors is an integer number (133710).

2⁴⁰¹¹²⁷ is an apocalyptic number.

401127 is a deficient number, since it is larger than the sum of its proper divisors (133713).

401127 is a wasteful number, since it uses less digits than its factorization.

401127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133712.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 401127 is about 633.3458770688. The cubic root of 401127 is about 73.7497634772.

It can be divided in two parts, 401 and 127, that added together give a triangular number (528 = T₃₂).

The spelling of 401127 in words is "four hundred one thousand, one hundred twenty-seven", and thus it is an iban number.