1280552 has 32 divisors (see below), whose sum is σ = 2956800. Its totient is φ = 506304.

The previous prime is 1280549. The next prime is 1280561. The reversal of 1280552 is 2550821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1280552 is an apocalyptic number.

It is an amenable number.

1280552 is an abundant number, since it is smaller than the sum of its proper divisors (1676248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1280552 is a wasteful number, since it uses less digits than its factorization.

1280552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1280552 is about 1131.6147754426. The cubic root of 1280552 is about 108.5923103220.

The spelling of 1280552 in words is "one million, two hundred eighty thousand, five hundred fifty-two".