1149853 has 4 divisors (see below), whose sum is σ = 1154368. Its totient is φ = 1145340.

The previous prime is 1149817. The next prime is 1149857. The reversal of 1149853 is 3589411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1149853 - 2⁹ = 1149341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149857) 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, 1851 + ... + 2392.

It is an arithmetic number, because the mean of its divisors is an integer number (288592).

2^1149853 is an apocalyptic number.

It is an amenable number.

1149853 is a deficient number, since it is larger than the sum of its proper divisors (4515).

1149853 is an equidigital number, since it uses as much as digits as its factorization.

1149853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

The product of its digits is 4320, while the sum is 31.

The square root of 1149853 is about 1072.3119881825. The cubic root of 1149853 is about 104.7644910584.

It can be divided in two parts, 1149 and 853, that added together give a palindrome (2002).

The spelling of 1149853 in words is "one million, one hundred forty-nine thousand, eight hundred fifty-three".