1202566 has 4 divisors (see below), whose sum is σ = 1803852. Its totient is φ = 601282.

The previous prime is 1202561. The next prime is 1202569. The reversal of 1202566 is 6652021.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300640 + ... + 300643.

It is an arithmetic number, because the mean of its divisors is an integer number (450963).

2^1202566 is an apocalyptic number.

1202566 is a deficient number, since it is larger than the sum of its proper divisors (601286).

1202566 is an equidigital number, since it uses as much as digits as its factorization.

1202566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601285.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1202566 is about 1096.6157029698. The cubic root of 1202566 is about 106.3415469351.

Adding to 1202566 its reverse (6652021), we get a palindrome (7854587).

The spelling of 1202566 in words is "one million, two hundred two thousand, five hundred sixty-six".