401241011 has 4 divisors (see below), whose sum is σ = 401281224. Its totient is φ = 401200800.

The previous prime is 401240999. The next prime is 401241023. The reversal of 401241011 is 110142104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (401240999) and next prime (401241023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401241011 is a prime.

It is a Duffinian 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7451 + ... + 29291.

It is an arithmetic number, because the mean of its divisors is an integer number (100320306).

Almost surely, 2^401241011 is an apocalyptic number.

401241011 is a deficient number, since it is larger than the sum of its proper divisors (40213).

401241011 is a wasteful number, since it uses less digits than its factorization.

401241011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40212.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 401241011 is about 20031.0012480655. The cubic root of 401241011 is about 737.5675003237.

Adding to 401241011 its reverse (110142104), we get a palindrome (511383115).

The spelling of 401241011 in words is "four hundred one million, two hundred forty-one thousand, eleven".