1151223 has 8 divisors (see below), whose sum is σ = 1625328. Its totient is φ = 722304.

The previous prime is 1151221. The next prime is 1151233. The reversal of 1151223 is 3221511.

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

It is not a de Polignac number, because 1151223 - 2¹ = 1151221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151221) 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 7 ways as a sum of consecutive naturals, for example, 11236 + ... + 11337.

It is an arithmetic number, because the mean of its divisors is an integer number (203166).

2^1151223 is an apocalyptic number.

1151223 is a deficient number, since it is larger than the sum of its proper divisors (474105).

1151223 is a wasteful number, since it uses less digits than its factorization.

1151223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22593.

The product of its digits is 60, while the sum is 15.

The square root of 1151223 is about 1072.9506046412. The cubic root of 1151223 is about 104.8060819946.

Adding to 1151223 its reverse (3221511), we get a palindrome (4372734).

The spelling of 1151223 in words is "one million, one hundred fifty-one thousand, two hundred twenty-three".