1100101 has 2 divisors, whose sum is σ = 1100102. Its totient is φ = 1100100.

The previous prime is 1100093. The next prime is 1100123. The reversal of 1100101 is 1010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940900 + 159201 = 970^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100101 - 2³ = 1100093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050 + 550051.

It is an arithmetic number, because the mean of its divisors is an integer number (550051).

2^1100101 is an apocalyptic number.

It is an amenable number.

1100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100101 is an equidigital number, since it uses as much as digits as its factorization.

1100101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 4.

The square root of 1100101 is about 1048.8569969257. The cubic root of 1100101 is about 103.2311708517.

Adding to 1100101 its reverse (1010011), we get a palindrome (2110112).

Multiplying 1100101 by its reverse (1010011), we get a palindrome (1111114111111).

It can be divided in two parts, 110010 and 1, that added together give a palindrome (110011).

The spelling of 1100101 in words is "one million, one hundred thousand, one hundred one".