1243268 has 12 divisors (see below), whose sum is σ = 2343180. Its totient is φ = 573792.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243268 is 8623421.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 1119364 = 352^2 + 1058^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 11903 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (195265).

2^1243268 is an apocalyptic number.

It is an amenable number.

1243268 is a deficient number, since it is larger than the sum of its proper divisors (1099912).

1243268 is a wasteful number, since it uses less digits than its factorization.

1243268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926 (or 23924 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1243268 is about 1115.0192823445. The cubic root of 1243268 is about 107.5280042419.

Adding to 1243268 its reverse (8623421), we get a palindrome (9866689).

The spelling of 1243268 in words is "one million, two hundred forty-three thousand, two hundred sixty-eight".