1319144 has 8 divisors (see below), whose sum is σ = 2473410. Its totient is φ = 659568.

The previous prime is 1319137. The next prime is 1319147. The reversal of 1319144 is 4419131.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 131044 = 1090^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1319147) 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, 82439 + ... + 82454.

2^1319144 is an apocalyptic number.

It is an amenable number.

1319144 is a deficient number, since it is larger than the sum of its proper divisors (1154266).

1319144 is a wasteful number, since it uses less digits than its factorization.

1319144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164899 (or 164895 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 1319144 is about 1148.5399427099. The cubic root of 1319144 is about 109.6724138282.

The spelling of 1319144 in words is "one million, three hundred nineteen thousand, one hundred forty-four".