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2001101 is a prime number
BaseRepresentation
bin111101000100011001101
310202122222212
413220203031
51003013401
6110520205
723003054
oct7504315
93678885
102001101
111147503
12806065
13550aab
143a139b
15297dbb
hex1e88cd

2001101 has 2 divisors, whose sum is σ = 2001102. Its totient is φ = 2001100.

The previous prime is 2001079. The next prime is 2001127. The reversal of 2001101 is 1011002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 724201 = 1130^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001101 - 26 = 2001037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001191) 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, 1000550 + 1000551.

It is an arithmetic number, because the mean of its divisors is an integer number (1000551).

22001101 is an apocalyptic number.

It is an amenable number.

2001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001101 is an equidigital number, since it uses as much as digits as its factorization.

2001101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 2001101 is about 1414.6027710987. The cubic root of 2001101 is about 126.0152202996.

Adding to 2001101 its reverse (1011002), we get a palindrome (3012103).

Subtracting from 2001101 its reverse (1011002), we obtain a palindrome (990099).

Multiplying 2001101 by its reverse (1011002), we get a palindrome (2023117113202).

The spelling of 2001101 in words is "two million, one thousand, one hundred one".