1190144 has 18 divisors (see below), whose sum is σ = 2376150. Its totient is φ = 594944.

The previous prime is 1190143. The next prime is 1190149. The reversal of 1190144 is 4410911.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 6400 = 1088^2 + 80^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069 + ... + 2580.

2^1190144 is an apocalyptic number.

It is an amenable number.

1190144 is a deficient number, since it is larger than the sum of its proper divisors (1186006).

1190144 is an frugal number, since it uses more digits than its factorization.

1190144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4651 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1190144 is about 1090.9372117588. The cubic root of 1190144 is about 105.9741244542.

The spelling of 1190144 in words is "one million, one hundred ninety thousand, one hundred forty-four".