401055 has 8 divisors (see below), whose sum is σ = 641712. Its totient is φ = 213888.

The previous prime is 401053. The next prime is 401057. The reversal of 401055 is 550104.

401055 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (401053) and next prime (401057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401055 - 2¹ = 401053 is a prime.

It is a super-2 number, since 2×401055² = 321690226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 26737 = 401055 / (4 + 0 + 1 + 0 + 5 + 5).

401055 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13354 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (80214).

2⁴⁰¹⁰⁵⁵ is an apocalyptic number.

401055 is a deficient number, since it is larger than the sum of its proper divisors (240657).

401055 is a wasteful number, since it uses less digits than its factorization.

401055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26745.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 401055 is about 633.2890335384. The cubic root of 401055 is about 73.7453506597.

Adding to 401055 its reverse (550104), we get a palindrome (951159).

The spelling of 401055 in words is "four hundred one thousand, fifty-five".