1189472 has 12 divisors (see below), whose sum is σ = 2341836. Its totient is φ = 594720.

The previous prime is 1189471. The next prime is 1189481. The reversal of 1189472 is 2749811.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 37171 = 1189472 / (1 + 1 + 8 + 9 + 4 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189471) 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, 18554 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (195153).

2^1189472 is an apocalyptic number.

It is an amenable number.

1189472 is a deficient number, since it is larger than the sum of its proper divisors (1152364).

1189472 is an equidigital number, since it uses as much as digits as its factorization.

1189472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37181 (or 37173 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 1189472 is about 1090.6291762098. The cubic root of 1189472 is about 105.9541750421.

It can be divided in two parts, 1189 and 472, that added together give a palindrome (1661).

The spelling of 1189472 in words is "one million, one hundred eighty-nine thousand, four hundred seventy-two".