401211241 has 4 divisors (see below), whose sum is σ = 418655232. Its totient is φ = 383767252.

The previous prime is 401211227. The next prime is 401211247. The reversal of 401211241 is 142112104.

It is a happy number.

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 401211241 - 2⁹ = 401210729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401211247) 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, 8721961 + ... + 8722006.

It is an arithmetic number, because the mean of its divisors is an integer number (104663808).

Almost surely, 2^401211241 is an apocalyptic number.

It is an amenable number.

401211241 is a deficient number, since it is larger than the sum of its proper divisors (17443991).

401211241 is a wasteful number, since it uses less digits than its factorization.

401211241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443990.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 401211241 is about 20030.2581361299. The cubic root of 401211241 is about 737.5492586461.

Adding to 401211241 its reverse (142112104), we get a palindrome (543323345).

The spelling of 401211241 in words is "four hundred one million, two hundred eleven thousand, two hundred forty-one".