401235 has 16 divisors (see below), whose sum is σ = 670464. Its totient is φ = 204512.

The previous prime is 401231. The next prime is 401237. The reversal of 401235 is 532104.

It is a cyclic number.

It is not a de Polignac number, because 401235 - 2² = 401231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (401231) 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 15 ways as a sum of consecutive naturals, for example, 237 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (41904).

2⁴⁰¹²³⁵ is an apocalyptic number.

401235 is a deficient number, since it is larger than the sum of its proper divisors (269229).

401235 is a wasteful number, since it uses less digits than its factorization.

401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 401235 is about 633.4311327998. The cubic root of 401235 is about 73.7563817134.

Adding to 401235 its reverse (532104), we get a palindrome (933339).

It can be divided in two parts, 401 and 235, that added together give a palindrome (636).

The spelling of 401235 in words is "four hundred one thousand, two hundred thirty-five".