1243252 has 12 divisors (see below), whose sum is σ = 2208640. Its totient is φ = 612216.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243252 is 2523421.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2052 + ... + 2587.

2^1243252 is an apocalyptic number.

It is an amenable number.

1243252 is a deficient number, since it is larger than the sum of its proper divisors (965388).

1243252 is a wasteful number, since it uses less digits than its factorization.

1243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 1243252 is about 1115.0121075576. The cubic root of 1243252 is about 107.5275429696.

Adding to 1243252 its reverse (2523421), we get a palindrome (3766673).

It can be divided in two parts, 1243 and 252, that multiplied together give a triangular number (313236 = T₇₉₁).

The spelling of 1243252 in words is "one million, two hundred forty-three thousand, two hundred fifty-two".