1301173 has 2 divisors, whose sum is σ = 1301174. Its totient is φ = 1301172.

The previous prime is 1301171. The next prime is 1301219. The reversal of 1301173 is 3711031.

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., 1077444 + 223729 = 1038^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301173 - 2¹ = 1301171 is a prime.

Together with 1301171, it forms a pair of twin primes.

1301173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650586 + 650587.

It is an arithmetic number, because the mean of its divisors is an integer number (650587).

2^1301173 is an apocalyptic number.

It is an amenable number.

1301173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301173 is an equidigital number, since it uses as much as digits as its factorization.

1301173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1301173 is about 1140.6897036442. The cubic root of 1301173 is about 109.1721041779.

The spelling of 1301173 in words is "one million, three hundred one thousand, one hundred seventy-three".