1280300 has 72 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 417600.

The previous prime is 1280297. The next prime is 1280309. The reversal of 1280300 is 30821.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1280309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21671 + ... + 21729.

2^1280300 is an apocalyptic number.

1280300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1280300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666560).

1280300 is an abundant number, since it is smaller than the sum of its proper divisors (2052820).

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

1280300 is a wasteful number, since it uses less digits than its factorization.

1280300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1280300 is about 1131.5034246524. The cubic root of 1280300 is about 108.5851865562.

The spelling of 1280300 in words is "one million, two hundred eighty thousand, three hundred".