1280332 has 6 divisors (see below), whose sum is σ = 2240588. Its totient is φ = 640164.

The previous prime is 1280317. The next prime is 1280333. The reversal of 1280332 is 2330821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1280333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160038 + ... + 160045.

2^1280332 is an apocalyptic number.

It is an amenable number.

1280332 is a deficient number, since it is larger than the sum of its proper divisors (960256).

1280332 is a wasteful number, since it uses less digits than its factorization.

1280332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320087 (or 320085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1280332 is about 1131.5175650426. The cubic root of 1280332 is about 108.5860912132.

The spelling of 1280332 in words is "one million, two hundred eighty thousand, three hundred thirty-two".