1189142 has 4 divisors (see below), whose sum is σ = 1783716. Its totient is φ = 594570.

The previous prime is 1189127. The next prime is 1189151. The reversal of 1189142 is 2419811.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297284 + ... + 297287.

It is an arithmetic number, because the mean of its divisors is an integer number (445929).

2^1189142 is an apocalyptic number.

1189142 is a deficient number, since it is larger than the sum of its proper divisors (594574).

1189142 is an equidigital number, since it uses as much as digits as its factorization.

1189142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594573.

The product of its digits is 576, while the sum is 26.

The square root of 1189142 is about 1090.4778768962. The cubic root of 1189142 is about 105.9443757049.

It can be divided in two parts, 1189 and 142, that added together give a palindrome (1331).

The spelling of 1189142 in words is "one million, one hundred eighty-nine thousand, one hundred forty-two".