401075 has 12 divisors (see below), whose sum is σ = 507408. Its totient is φ = 314400.

The previous prime is 401069. The next prime is 401077. The reversal of 401075 is 570104.

It is a happy number.

It is not a de Polignac number, because 401075 - 2¹⁰ = 400051 is a prime.

It is a super-2 number, since 2×401075² = 321722311250, which contains 22 as substring.

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 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, 1394 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (42284).

2⁴⁰¹⁰⁷⁵ is an apocalyptic number.

401075 is a deficient number, since it is larger than the sum of its proper divisors (106333).

401075 is a wasteful number, since it uses less digits than its factorization.

401075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 401075 is about 633.3048239197. The cubic root of 401075 is about 73.7465764953.

Adding to 401075 its reverse (570104), we get a palindrome (971179).

The spelling of 401075 in words is "four hundred one thousand, seventy-five".