401241321 has 36 divisors (see below), whose sum is σ = 630682416. Its totient is φ = 245700000.

The previous prime is 401241311. The next prime is 401241331. The reversal of 401241321 is 123142104.

401241321 is a `hidden beast` number, since 401 + 241 + 3 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (401241311) and next prime (401241331).

It is not a de Polignac number, because 401241321 - 2⁷ = 401241193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401241294 and 401241303.

It is not an unprimeable number, because it can be changed into a prime (401241301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 381246 + ... + 382296.

It is an arithmetic number, because the mean of its divisors is an integer number (17518956).

Almost surely, 2^401241321 is an apocalyptic number.

It is an amenable number.

401241321 is a deficient number, since it is larger than the sum of its proper divisors (229441095).

401241321 is a wasteful number, since it uses less digits than its factorization.

401241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401241321 is about 20031.0089860696. The cubic root of 401241321 is about 737.5676902726.

Adding to 401241321 its reverse (123142104), we get a palindrome (524383425).

The spelling of 401241321 in words is "four hundred one million, two hundred forty-one thousand, three hundred twenty-one".