1205101 has 2 divisors, whose sum is σ = 1205102. Its totient is φ = 1205100.

The previous prime is 1205093. The next prime is 1205117. The reversal of 1205101 is 1015021.

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., 808201 + 396900 = 899^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205101 - 2³ = 1205093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203101) 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, 602550 + 602551.

It is an arithmetic number, because the mean of its divisors is an integer number (602551).

2^1205101 is an apocalyptic number.

It is an amenable number.

1205101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205101 is an equidigital number, since it uses as much as digits as its factorization.

1205101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1205101 is about 1097.7709232804. The cubic root of 1205101 is about 106.4162168830.

The spelling of 1205101 in words is "one million, two hundred five thousand, one hundred one".