1726201 has 2 divisors, whose sum is σ = 1726202. Its totient is φ = 1726200.

The previous prime is 1726199. The next prime is 1726211. The reversal of 1726201 is 1026271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207801 + 518400 = 1099^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1726201 - 2¹ = 1726199 is a prime.

Together with 1726199, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1726211) 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, 863100 + 863101.

It is an arithmetic number, because the mean of its divisors is an integer number (863101).

2^1726201 is an apocalyptic number.

It is an amenable number.

1726201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1726201 is an equidigital number, since it uses as much as digits as its factorization.

1726201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1726201 is about 1313.8496869886. The cubic root of 1726201 is about 119.9583420216.

The spelling of 1726201 in words is "one million, seven hundred twenty-six thousand, two hundred one".