1205602 has 4 divisors (see below), whose sum is σ = 1808406. Its totient is φ = 602800.

The previous prime is 1205563. The next prime is 1205609. The reversal of 1205602 is 2065021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 564001 = 801^2 + 751^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301399 + ... + 301402.

2^1205602 is an apocalyptic number.

1205602 is a deficient number, since it is larger than the sum of its proper divisors (602804).

1205602 is an equidigital number, since it uses as much as digits as its factorization.

1205602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602803.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1205602 is about 1097.9990892528. Note that the first 3 decimals coincide. The cubic root of 1205602 is about 106.4309617434.

It can be divided in two parts, 1205 and 602, that multiplied together give a triangular number (725410 = T₁₂₀₄).

The spelling of 1205602 in words is "one million, two hundred five thousand, six hundred two".