401071 has 12 divisors (see below), whose sum is σ = 466344. Its totient is φ = 342000.

The previous prime is 401069. The next prime is 401077. The reversal of 401071 is 170104.

It is not a de Polignac number, because 401071 - 2¹ = 401069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3921 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (38862).

2⁴⁰¹⁰⁷¹ is an apocalyptic number.

401071 is a deficient number, since it is larger than the sum of its proper divisors (65273).

401071 is a wasteful number, since it uses less digits than its factorization.

401071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 401071 is about 633.3016658750. The cubic root of 401071 is about 73.7463313314.

Adding to 401071 its reverse (170104), we get a palindrome (571175).

It can be divided in two parts, 40 and 1071, that added together give a palindrome (1111).

The spelling of 401071 in words is "four hundred one thousand, seventy-one", and thus it is an iban number.