1149818 has 8 divisors (see below), whose sum is σ = 1732212. Its totient is φ = 572416.

The previous prime is 1149817. The next prime is 1149857. The reversal of 1149818 is 8189411.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 253009 = 947^2 + 503^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1149817) 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, 605 + ... + 1632.

2^1149818 is an apocalyptic number.

1149818 is a deficient number, since it is larger than the sum of its proper divisors (582394).

1149818 is a wasteful number, since it uses less digits than its factorization.

1149818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 2304, while the sum is 32.

The square root of 1149818 is about 1072.2956681811. The cubic root of 1149818 is about 104.7634280836.

The spelling of 1149818 in words is "one million, one hundred forty-nine thousand, eight hundred eighteen".