1189126 has 4 divisors (see below), whose sum is σ = 1783692. Its totient is φ = 594562.

The previous prime is 1189121. The next prime is 1189127. The reversal of 1189126 is 6219811.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1189094 and 1189103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189121) 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, 297280 + ... + 297283.

It is an arithmetic number, because the mean of its divisors is an integer number (445923).

2^1189126 is an apocalyptic number.

1189126 is a deficient number, since it is larger than the sum of its proper divisors (594566).

1189126 is an equidigital number, since it uses as much as digits as its factorization.

1189126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594565.

The product of its digits is 864, while the sum is 28.

The square root of 1189126 is about 1090.4705406383. The cubic root of 1189126 is about 105.9439005394.

The spelling of 1189126 in words is "one million, one hundred eighty-nine thousand, one hundred twenty-six".