1228250 has 32 divisors (see below), whose sum is σ = 2442960. Its totient is φ = 462400.

The previous prime is 1228247. The next prime is 1228273. The reversal of 1228250 is 528221.

It can be written as a sum of positive squares in 8 ways, for example, as 64009 + 1164241 = 253^2 + 1079^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72242 + ... + 72258.

2^1228250 is an apocalyptic number.

1228250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228250 is a deficient number, since it is larger than the sum of its proper divisors (1214710).

1228250 is an frugal number, since it uses more digits than its factorization.

1228250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1228250 is about 1108.2644088845. The cubic root of 1228250 is about 107.0932892411.

The spelling of 1228250 in words is "one million, two hundred twenty-eight thousand, two hundred fifty".