1281200 has 30 divisors (see below), whose sum is σ = 3079044. Its totient is φ = 512320.

The previous prime is 1281193. The next prime is 1281211. The reversal of 1281200 is 21821.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1202 + ... + 2001.

2^1281200 is an apocalyptic number.

1281200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1281200 is an abundant number, since it is smaller than the sum of its proper divisors (1797844).

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

1281200 is a wasteful number, since it uses less digits than its factorization.

1281200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1281200 is about 1131.9010557465. The cubic root of 1281200 is about 108.6106242863.

The spelling of 1281200 in words is "one million, two hundred eighty-one thousand, two hundred".