1286200 has 48 divisors (see below), whose sum is σ = 3069000. Its totient is φ = 501120.

The previous prime is 1286191. The next prime is 1286209. The reversal of 1286200 is 26821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1286191) and next prime (1286209).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11746 + ... + 11854.

2^1286200 is an apocalyptic number.

1286200 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 1286200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534500).

1286200 is an abundant number, since it is smaller than the sum of its proper divisors (1782800).

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

1286200 is a wasteful number, since it uses less digits than its factorization.

1286200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1286200 is about 1134.1075786714. The cubic root of 1286200 is about 108.7517285144.

It can be divided in two parts, 128 and 6200, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 1286200 in words is "one million, two hundred eighty-six thousand, two hundred".