401241111 has 8 divisors (see below), whose sum is σ = 545082480. Its totient is φ = 262446912.

The previous prime is 401241109. The next prime is 401241143. The reversal of 401241111 is 111142104.

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

It is not a de Polignac number, because 401241111 - 2¹ = 401241109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401241311) 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, 1261606 + ... + 1261923.

It is an arithmetic number, because the mean of its divisors is an integer number (68135310).

Almost surely, 2^401241111 is an apocalyptic number.

401241111 is a deficient number, since it is larger than the sum of its proper divisors (143841369).

401241111 is a wasteful number, since it uses less digits than its factorization.

401241111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523585.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 401241111 is about 20031.0037441961. The cubic root of 401241111 is about 737.5675615976.

Adding to 401241111 its reverse (111142104), we get a palindrome (512383215).

The spelling of 401241111 in words is "four hundred one million, two hundred forty-one thousand, one hundred eleven".