1224250 has 32 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 475600.

The previous prime is 1224239. The next prime is 1224257. The reversal of 1224250 is 524221.

It is not an unprimeable number, because it can be changed into a prime (1224257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14709 + ... + 14791.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2^1224250 is an apocalyptic number.

1224250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224250 is a deficient number, since it is larger than the sum of its proper divisors (1134470).

1224250 is an equidigital number, since it uses as much as digits as its factorization.

1224250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1224250 is about 1106.4583137200. The cubic root of 1224250 is about 106.9769071194.

Adding to 1224250 its reverse (524221), we get a palindrome (1748471).

The spelling of 1224250 in words is "one million, two hundred twenty-four thousand, two hundred fifty".