1279144 has 16 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 634032.

The previous prime is 1279141. The next prime is 1279163. The reversal of 1279144 is 4419721.

It is not an unprimeable number, because it can be changed into a prime (1279141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1279144 is an apocalyptic number.

It is an amenable number.

1279144 is a deficient number, since it is larger than the sum of its proper divisors (1140056).

1279144 is a wasteful number, since it uses less digits than its factorization.

1279144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1388 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1279144 is about 1130.9924845020. The cubic root of 1279144 is about 108.5524957093.

The spelling of 1279144 in words is "one million, two hundred seventy-nine thousand, one hundred forty-four".