1205473 has 2 divisors, whose sum is σ = 1205474. Its totient is φ = 1205472.

The previous prime is 1205471. The next prime is 1205489. The reversal of 1205473 is 3745021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 138384 = 1033^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205473 - 2¹ = 1205471 is a prime.

Together with 1205471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1205471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602736 + 602737.

It is an arithmetic number, because the mean of its divisors is an integer number (602737).

2^1205473 is an apocalyptic number.

It is an amenable number.

1205473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205473 is an equidigital number, since it uses as much as digits as its factorization.

1205473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1205473 is about 1097.9403444632. The cubic root of 1205473 is about 106.4271655531.

It can be divided in two parts, 1205 and 473, that multiplied together give a palindrome (569965).

The spelling of 1205473 in words is "one million, two hundred five thousand, four hundred seventy-three".