1189042 has 4 divisors (see below), whose sum is σ = 1783566. Its totient is φ = 594520.

The previous prime is 1189033. The next prime is 1189057. The reversal of 1189042 is 2409811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2409811 = 71 ⋅33941.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 269361 = 959^2 + 519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1188998 and 1189016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297259 + ... + 297262.

2^1189042 is an apocalyptic number.

1189042 is a deficient number, since it is larger than the sum of its proper divisors (594524).

1189042 is an equidigital number, since it uses as much as digits as its factorization.

1189042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594523.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1189042 is about 1090.4320244747. The cubic root of 1189042 is about 105.9414058508.

The spelling of 1189042 in words is "one million, one hundred eighty-nine thousand, forty-two".