401220041 has 4 divisors (see below), whose sum is σ = 401614800. Its totient is φ = 400825284.

The previous prime is 401220031. The next prime is 401220047. The reversal of 401220041 is 140022104.

401220041 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401220041 - 2⁶ = 401219977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401219998 and 401220025.

It is not an unprimeable number, because it can be changed into a prime (401220047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195851 + ... + 197888.

It is an arithmetic number, because the mean of its divisors is an integer number (100403700).

Almost surely, 2^401220041 is an apocalyptic number.

It is an amenable number.

401220041 is a deficient number, since it is larger than the sum of its proper divisors (394759).

401220041 is a wasteful number, since it uses less digits than its factorization.

401220041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394758.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401220041 is about 20030.4778025887. The cubic root of 401220041 is about 737.5546509726.

Adding to 401220041 its reverse (140022104), we get a palindrome (541242145).

The spelling of 401220041 in words is "four hundred one million, two hundred twenty thousand, forty-one".