401321235 has 16 divisors (see below), whose sum is σ = 733844736. Its totient is φ = 183461088.

The previous prime is 401321233. The next prime is 401321237. The reversal of 401321235 is 532123104.

It is an interprime number because it is at equal distance from previous prime (401321233) and next prime (401321237).

It is not a de Polignac number, because 401321235 - 2¹ = 401321233 is a prime.

It is a super-2 number, since 2×401321235² = 322117467323850450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (401321233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910949 + ... + 1911158.

It is an arithmetic number, because the mean of its divisors is an integer number (45865296).

Almost surely, 2^401321235 is an apocalyptic number.

401321235 is a deficient number, since it is larger than the sum of its proper divisors (332523501).

401321235 is a wasteful number, since it uses less digits than its factorization.

401321235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822122.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 401321235 is about 20033.0036439871. The cubic root of 401321235 is about 737.6166533851.

Adding to 401321235 its reverse (532123104), we get a palindrome (933444339).

The spelling of 401321235 in words is "four hundred one million, three hundred twenty-one thousand, two hundred thirty-five".