401242211 has 8 divisors (see below), whose sum is σ = 426351024. Its totient is φ = 376300800.

The previous prime is 401242181. The next prime is 401242213. The reversal of 401242211 is 112242104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401242211 - 2⁶ = 401242147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 401242211.

It is not an unprimeable number, because it can be changed into a prime (401242213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36890 + ... + 46511.

It is an arithmetic number, because the mean of its divisors is an integer number (53293878).

Almost surely, 2^401242211 is an apocalyptic number.

401242211 is a deficient number, since it is larger than the sum of its proper divisors (25108813).

401242211 is a wasteful number, since it uses less digits than its factorization.

401242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83701.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 401242211 is about 20031.0312016132. The cubic root of 401242211 is about 737.5682356093.

Adding to 401242211 its reverse (112242104), we get a palindrome (513484315).

The spelling of 401242211 in words is "four hundred one million, two hundred forty-two thousand, two hundred eleven".