1191206 has 8 divisors (see below), whose sum is σ = 1844544. Its totient is φ = 576360.

The previous prime is 1191199. The next prime is 1191209. The reversal of 1191206 is 6021911.

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 (1191209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545 + ... + 9668.

It is an arithmetic number, because the mean of its divisors is an integer number (230568).

2^1191206 is an apocalyptic number.

1191206 is a deficient number, since it is larger than the sum of its proper divisors (653338).

1191206 is a wasteful number, since it uses less digits than its factorization.

1191206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19246.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1191206 is about 1091.4238406779. The cubic root of 1191206 is about 106.0056363444.

The spelling of 1191206 in words is "one million, one hundred ninety-one thousand, two hundred six".