1149223 has 4 divisors (see below), whose sum is σ = 1158400. Its totient is φ = 1140048.

The previous prime is 1149221. The next prime is 1149227. The reversal of 1149223 is 3229411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1149223 - 2¹ = 1149221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149194 and 1149203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4398 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (289600).

2^1149223 is an apocalyptic number.

1149223 is a deficient number, since it is larger than the sum of its proper divisors (9177).

1149223 is an equidigital number, since it uses as much as digits as its factorization.

1149223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176.

The product of its digits is 432, while the sum is 22.

The square root of 1149223 is about 1072.0181901442. The cubic root of 1149223 is about 104.7453542102.

The spelling of 1149223 in words is "one million, one hundred forty-nine thousand, two hundred twenty-three".