1149806 has 8 divisors (see below), whose sum is σ = 1971120. Its totient is φ = 492768.

The previous prime is 1149803. The next prime is 1149817. The reversal of 1149806 is 6089411.

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 (1149803) 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, 41051 + ... + 41078.

It is an arithmetic number, because the mean of its divisors is an integer number (246390).

2^1149806 is an apocalyptic number.

1149806 is a deficient number, since it is larger than the sum of its proper divisors (821314).

1149806 is an equidigital number, since it uses as much as digits as its factorization.

1149806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82138.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1149806 is about 1072.2900726949. The cubic root of 1149806 is about 104.7630636301.

The spelling of 1149806 in words is "one million, one hundred forty-nine thousand, eight hundred six".