1263238 has 4 divisors (see below), whose sum is σ = 1894860. Its totient is φ = 631618.

The previous prime is 1263209. The next prime is 1263239. The reversal of 1263238 is 8323621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8323621 = 1321 ⋅6301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315808 + ... + 315811.

It is an arithmetic number, because the mean of its divisors is an integer number (473715).

2^1263238 is an apocalyptic number.

1263238 is a deficient number, since it is larger than the sum of its proper divisors (631622).

1263238 is an equidigital number, since it uses as much as digits as its factorization.

1263238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631621.

The product of its digits is 1728, while the sum is 25.

The square root of 1263238 is about 1123.9386104232. The cubic root of 1263238 is about 108.1006720189.

Adding to 1263238 its reverse (8323621), we get a palindrome (9586859).

It can be divided in two parts, 126 and 3238, that added together give a square (3364 = 58²).

The spelling of 1263238 in words is "one million, two hundred sixty-three thousand, two hundred thirty-eight".