1150809 has 16 divisors (see below), whose sum is σ = 1714944. Its totient is φ = 680400.

The previous prime is 1150783. The next prime is 1150823. The reversal of 1150809 is 9080511.

It is not a de Polignac number, because 1150809 - 2⁵ = 1150777 is a prime.

It is a super-2 number, since 2×1150809² = 2648722708962, which contains 22 as substring.

It is a Curzon number.

1150809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1150879) 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 15 ways as a sum of consecutive naturals, for example, 1014 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (107184).

2^1150809 is an apocalyptic number.

It is an amenable number.

1150809 is a deficient number, since it is larger than the sum of its proper divisors (564135).

1150809 is a wasteful number, since it uses less digits than its factorization.

1150809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1150809 is about 1072.7576613569. The cubic root of 1150809 is about 104.7935171193.

The spelling of 1150809 in words is "one million, one hundred fifty thousand, eight hundred nine".