1153321 has 8 divisors (see below), whose sum is σ = 1258880. Its totient is φ = 1050192.

The previous prime is 1153309. The next prime is 1153337. The reversal of 1153321 is 1233511.

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

It is not a de Polignac number, because 1153321 - 2¹³ = 1145129 is a prime.

It is a Duffinian number.

1153321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1153295 and 1153304.

It is not an unprimeable number, because it can be changed into a prime (1153021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (157360).

2^1153321 is an apocalyptic number.

It is an amenable number.

1153321 is a deficient number, since it is larger than the sum of its proper divisors (105559).

1153321 is a wasteful number, since it uses less digits than its factorization.

1153321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its digits is 90, while the sum is 16.

The square root of 1153321 is about 1073.9278374267. The cubic root of 1153321 is about 104.8697098995.

Adding to 1153321 its reverse (1233511), we get a palindrome (2386832).

The spelling of 1153321 in words is "one million, one hundred fifty-three thousand, three hundred twenty-one".