1223250 has 64 divisors (see below), whose sum is σ = 3504384. Its totient is φ = 278400.

The previous prime is 1223237. The next prime is 1223263. The reversal of 1223250 is 523221.

It is an interprime number because it is at equal distance from previous prime (1223237) and next prime (1223263).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5134 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (54756).

2^1223250 is an apocalyptic number.

1223250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752192).

1223250 is an abundant number, since it is smaller than the sum of its proper divisors (2281134).

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

1223250 is a wasteful number, since it uses less digits than its factorization.

1223250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1223250 is about 1106.0063290958. The cubic root of 1223250 is about 106.9477719897.

Adding to 1223250 its reverse (523221), we get a palindrome (1746471).

The spelling of 1223250 in words is "one million, two hundred twenty-three thousand, two hundred fifty".