1121206 has 8 divisors (see below), whose sum is σ = 1686960. Its totient is φ = 558888.

The previous prime is 1121203. The next prime is 1121221. The reversal of 1121206 is 6021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121203) 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 in 3 ways as a sum of consecutive naturals, for example, 240 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (210870).

2^1121206 is an apocalyptic number.

1121206 is a deficient number, since it is larger than the sum of its proper divisors (565754).

1121206 is a wasteful number, since it uses less digits than its factorization.

1121206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1121206 is about 1058.8701525683. The cubic root of 1121206 is about 103.8871433559.

Adding to 1121206 its reverse (6021211), we get a palindrome (7142417).

The spelling of 1121206 in words is "one million, one hundred twenty-one thousand, two hundred six".