941209 has 2 divisors, whose sum is σ = 941210. Its totient is φ = 941208.

The previous prime is 941207. The next prime is 941221. The reversal of 941209 is 902149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 363609 = 760^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 941209 - 2¹ = 941207 is a prime.

Together with 941207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (941201) 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, 470604 + 470605.

It is an arithmetic number, because the mean of its divisors is an integer number (470605).

2⁹⁴¹²⁰⁹ is an apocalyptic number.

It is an amenable number.

941209 is a deficient number, since it is larger than the sum of its proper divisors (1).

941209 is an equidigital number, since it uses as much as digits as its factorization.

941209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 941209 is about 970.1592652756. The cubic root of 941209 is about 98.0005900284. Note that the first 3 decimals are identical.

Subtracting from 941209 its reverse (902149), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 9 and 41209, that multiplied together give a square (370881 = 609²).

The spelling of 941209 in words is "nine hundred forty-one thousand, two hundred nine".