1153442 has 4 divisors (see below), whose sum is σ = 1730166. Its totient is φ = 576720.

The previous prime is 1153441. The next prime is 1153457. The reversal of 1153442 is 2443511.

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

It can be written as a sum of positive squares in only one way, i.e., 1104601 + 48841 = 1051^2 + 221^2 .

It is not an unprimeable number, because it can be changed into a prime (1153441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288359 + ... + 288362.

2^1153442 is an apocalyptic number.

1153442 is a deficient number, since it is larger than the sum of its proper divisors (576724).

1153442 is an equidigital number, since it uses as much as digits as its factorization.

1153442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576723.

The product of its digits is 480, while the sum is 20.

The square root of 1153442 is about 1073.9841712055. The cubic root of 1153442 is about 104.8733772194.

Adding to 1153442 its reverse (2443511), we get a palindrome (3596953).

The spelling of 1153442 in words is "one million, one hundred fifty-three thousand, four hundred forty-two".