1280852 has 6 divisors (see below), whose sum is σ = 2241498. Its totient is φ = 640424.

The previous prime is 1280837. The next prime is 1280857. The reversal of 1280852 is 2580821.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 568516 = 844^2 + 754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160103 + ... + 160110.

It is an arithmetic number, because the mean of its divisors is an integer number (373583).

2^1280852 is an apocalyptic number.

It is an amenable number.

1280852 is a deficient number, since it is larger than the sum of its proper divisors (960646).

1280852 is a wasteful number, since it uses less digits than its factorization.

1280852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320217 (or 320215 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1280852 is about 1131.7473216226. The cubic root of 1280852 is about 108.6007897770.

The spelling of 1280852 in words is "one million, two hundred eighty thousand, eight hundred fifty-two".