1191266 has 8 divisors (see below), whose sum is σ = 1795584. Its totient is φ = 592740.

The previous prime is 1191247. The next prime is 1191277. The reversal of 1191266 is 6621911.

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

It is a super-2 number, since 2×1191266² = 2838229365512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (224448).

2^1191266 is an apocalyptic number.

1191266 is a deficient number, since it is larger than the sum of its proper divisors (604318).

1191266 is a wasteful number, since it uses less digits than its factorization.

1191266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its digits is 648, while the sum is 26.

The square root of 1191266 is about 1091.4513273619. The cubic root of 1191266 is about 106.0074161181.

The spelling of 1191266 in words is "one million, one hundred ninety-one thousand, two hundred sixty-six".