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BaseRepresentation
bin1100001111011001101
3202101012121
41201323031
5100313401
612332541
73260251
oct1417315
9671177
10401101
11254398
12174151
1311074c
14a6261
157dca1
hex61ecd

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.

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

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.

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