1153389 has 8 divisors (see below), whose sum is σ = 1573792. Its totient is φ = 750960.

The previous prime is 1153367. The next prime is 1153393. The reversal of 1153389 is 9833511.

It is a happy number.

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

It is not a de Polignac number, because 1153389 - 2⁷ = 1153261 is a prime.

It is an Ulam number.

It is a Duffinian number.

1153389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153309) 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, 4342 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (196724).

2^1153389 is an apocalyptic number.

It is an amenable number.

1153389 is a deficient number, since it is larger than the sum of its proper divisors (420403).

1153389 is an equidigital number, since it uses as much as digits as its factorization.

1153389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987.

The product of its digits is 3240, while the sum is 30.

The square root of 1153389 is about 1073.9594964430. The cubic root of 1153389 is about 104.8717709042.

The spelling of 1153389 in words is "one million, one hundred fifty-three thousand, three hundred eighty-nine".