1288274 has 8 divisors (see below), whose sum is σ = 2081100. Its totient is φ = 594576.

The previous prime is 1288249. The next prime is 1288291. The reversal of 1288274 is 4728821.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 49 = 1135^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1288274.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24749 + ... + 24800.

2^1288274 is an apocalyptic number.

1288274 is a deficient number, since it is larger than the sum of its proper divisors (792826).

1288274 is a wasteful number, since it uses less digits than its factorization.

1288274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49564.

The product of its digits is 7168, while the sum is 32.

The square root of 1288274 is about 1135.0215856978. The cubic root of 1288274 is about 108.8101512479.

The spelling of 1288274 in words is "one million, two hundred eighty-eight thousand, two hundred seventy-four".