401135 has 16 divisors (see below), whose sum is σ = 561216. Its totient is φ = 269568.

The previous prime is 401119. The next prime is 401161. The reversal of 401135 is 531104.

It is a cyclic number.

It is not a de Polignac number, because 401135 - 2⁴ = 401119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (35076).

2⁴⁰¹¹³⁵ is an apocalyptic number.

401135 is a deficient number, since it is larger than the sum of its proper divisors (160081).

401135 is a wasteful number, since it uses less digits than its factorization.

401135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 401135 is about 633.3521927017. The cubic root of 401135 is about 73.7502537576.

Adding to 401135 its reverse (531104), we get a palindrome (932239).

The spelling of 401135 in words is "four hundred one thousand, one hundred thirty-five".