1153342 has 4 divisors (see below), whose sum is σ = 1730016. Its totient is φ = 576670.

The previous prime is 1153337. The next prime is 1153343. The reversal of 1153342 is 2433511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2433511 = 347 ⋅7013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153343) 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 as a sum of consecutive naturals, namely, 288334 + ... + 288337.

It is an arithmetic number, because the mean of its divisors is an integer number (432504).

2^1153342 is an apocalyptic number.

1153342 is a deficient number, since it is larger than the sum of its proper divisors (576674).

1153342 is an equidigital number, since it uses as much as digits as its factorization.

1153342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576673.

The product of its digits is 360, while the sum is 19.

The square root of 1153342 is about 1073.9376145754. The cubic root of 1153342 is about 104.8703463949.

Adding to 1153342 its reverse (2433511), we get a palindrome (3586853).

The spelling of 1153342 in words is "one million, one hundred fifty-three thousand, three hundred forty-two".