401101 has 2 divisors, whose sum is σ = 401102. Its totient is φ = 401100.

The previous prime is 401087. The next prime is 401113. The reversal of 401101 is 101104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 152100 = 499^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 401101 - 2⁵ = 401069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200550 + 200551.

It is an arithmetic number, because the mean of its divisors is an integer number (200551).

2⁴⁰¹¹⁰¹ is an apocalyptic number.

It is an amenable number.

401101 is a deficient number, since it is larger than the sum of its proper divisors (1).

401101 is an equidigital number, since it uses as much as digits as its factorization.

401101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 401101 is about 633.3253508269. The cubic root of 401101 is about 73.7481700207.

Adding to 401101 its reverse (101104), we get a palindrome (502205).

The spelling of 401101 in words is "four hundred one thousand, one hundred one", and thus it is an iban number.