1280612 has 6 divisors (see below), whose sum is σ = 2241078. Its totient is φ = 640304.

The previous prime is 1280603. The next prime is 1280623. The reversal of 1280612 is 2160821.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 495616 = 886^2 + 704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160073 + ... + 160080.

It is an arithmetic number, because the mean of its divisors is an integer number (373513).

2^1280612 is an apocalyptic number.

It is an amenable number.

1280612 is a deficient number, since it is larger than the sum of its proper divisors (960466).

1280612 is a wasteful number, since it uses less digits than its factorization.

1280612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320157 (or 320155 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1280612 is about 1131.6412859206. The cubic root of 1280612 is about 108.5940063189.

The spelling of 1280612 in words is "one million, two hundred eighty thousand, six hundred twelve".