401106871 has 4 divisors (see below), whose sum is σ = 437571144. Its totient is φ = 364642600.

The previous prime is 401106869. The next prime is 401106907. The reversal of 401106871 is 178601104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401106871 - 2¹ = 401106869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401106841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18232120 + ... + 18232141.

It is an arithmetic number, because the mean of its divisors is an integer number (109392786).

Almost surely, 2^401106871 is an apocalyptic number.

401106871 is a deficient number, since it is larger than the sum of its proper divisors (36464273).

401106871 is a wasteful number, since it uses less digits than its factorization.

401106871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36464272.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 401106871 is about 20027.6526582623. The cubic root of 401106871 is about 737.4852984142.

Adding to 401106871 its reverse (178601104), we get a palindrome (579707975).

The spelling of 401106871 in words is "four hundred one million, one hundred six thousand, eight hundred seventy-one".