1263242 has 8 divisors (see below), whose sum is σ = 1912896. Its totient is φ = 625612.

The previous prime is 1263239. The next prime is 1263247. The reversal of 1263242 is 2423621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1263247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (239112).

2^1263242 is an apocalyptic number.

1263242 is a deficient number, since it is larger than the sum of its proper divisors (649654).

1263242 is a wasteful number, since it uses less digits than its factorization.

1263242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012.

The product of its digits is 576, while the sum is 20.

The square root of 1263242 is about 1123.9403898784. The cubic root of 1263242 is about 108.1007861178.

Adding to 1263242 its reverse (2423621), we get a palindrome (3686863).

The spelling of 1263242 in words is "one million, two hundred sixty-three thousand, two hundred forty-two".