1163842 has 4 divisors (see below), whose sum is σ = 1745766. Its totient is φ = 581920.

The previous prime is 1163831. The next prime is 1163843. The reversal of 1163842 is 2483611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2483611 = 13 ⋅191047.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 337561 = 909^2 + 581^2 .

It is not an unprimeable number, because it can be changed into a prime (1163843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290959 + ... + 290962.

2^1163842 is an apocalyptic number.

1163842 is a deficient number, since it is larger than the sum of its proper divisors (581924).

1163842 is an equidigital number, since it uses as much as digits as its factorization.

1163842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581923.

The product of its digits is 1152, while the sum is 25.

The square root of 1163842 is about 1078.8150907361. The cubic root of 1163842 is about 105.1876312522.

The spelling of 1163842 in words is "one million, one hundred sixty-three thousand, eight hundred forty-two".