1223252 has 12 divisors (see below), whose sum is σ = 2266740. Its totient is φ = 575616.

The previous prime is 1223237. The next prime is 1223263. The reversal of 1223252 is 2523221.

It can be written as a sum of positive squares in 2 ways, for example, as 948676 + 274576 = 974^2 + 524^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8927 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (188895).

2^1223252 is an apocalyptic number.

It is an amenable number.

1223252 is a deficient number, since it is larger than the sum of its proper divisors (1043488).

1223252 is a wasteful number, since it uses less digits than its factorization.

1223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010 (or 18008 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 1223252 is about 1106.0072332494. The cubic root of 1223252 is about 106.9478302758.

Adding to 1223252 its reverse (2523221), we get a palindrome (3746473).

It can be divided in two parts, 122325 and 2, that multiplied together give a triangular number (244650 = T₆₉₉).

The spelling of 1223252 in words is "one million, two hundred twenty-three thousand, two hundred fifty-two".