401115 has 48 divisors (see below), whose sum is σ = 804384. Its totient is φ = 168960.

The previous prime is 401113. The next prime is 401119. The reversal of 401115 is 511104.

401115 = T₇₇ + T₇₈ + ... + T₁₄₁.

It is a happy number.

It is not a de Polignac number, because 401115 - 2¹ = 401113 is a prime.

401115 is a Rhonda number in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 401115.

It is not an unprimeable number, because it can be changed into a prime (401113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23587 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (16758).

2⁴⁰¹¹¹⁵ is an apocalyptic number.

401115 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401115 is a wasteful number, since it uses less digits than its factorization.

401115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 401115 is about 633.3364035013. The cubic root of 401115 is about 73.7490280443.

Adding to 401115 its reverse (511104), we get a palindrome (912219).

The spelling of 401115 in words is "four hundred one thousand, one hundred fifteen".