1193842 has 32 divisors (see below), whose sum is σ = 2125872. Its totient is φ = 497664.

The previous prime is 1193839. The next prime is 1193849. The reversal of 1193842 is 2483911.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 844561 + 349281 = 919^2 + 591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1193842.

It is not an unprimeable number, because it can be changed into a prime (1193849) 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 15 ways as a sum of consecutive naturals, for example, 16318 + ... + 16390.

2^1193842 is an apocalyptic number.

1193842 is a deficient number, since it is larger than the sum of its proper divisors (932030).

1193842 is a wasteful number, since it uses less digits than its factorization.

1193842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its digits is 1728, while the sum is 28.

The square root of 1193842 is about 1092.6307702056. The cubic root of 1193842 is about 106.0837714429.

Multiplying 1193842 by its sum of digits (28), we get a triangular number (33427576 = T₈₁₇₆).

The spelling of 1193842 in words is "one million, one hundred ninety-three thousand, eight hundred forty-two".