1208811 has 8 divisors (see below), whose sum is σ = 1681920. Its totient is φ = 770792.

The previous prime is 1208797. The next prime is 1208813. The reversal of 1208811 is 1188021.

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

It is a cyclic number.

It is not a de Polignac number, because 1208811 - 2⁹ = 1208299 is a prime.

It is a super-2 number, since 2×1208811² = 2922448067442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8691 + ... + 8828.

It is an arithmetic number, because the mean of its divisors is an integer number (210240).

2^1208811 is an apocalyptic number.

1208811 is a deficient number, since it is larger than the sum of its proper divisors (473109).

1208811 is a wasteful number, since it uses less digits than its factorization.

1208811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17545.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1208811 is about 1099.4594126206. The cubic root of 1208811 is about 106.5253086273.

The spelling of 1208811 in words is "one million, two hundred eight thousand, eight hundred eleven".