1242368 has 36 divisors (see below), whose sum is σ = 2599968. Its totient is φ = 591360.

The previous prime is 1242361. The next prime is 1242379. The reversal of 1242368 is 8632421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242361) 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, 5783 + ... + 5993.

2^1242368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299984).

1242368 is an abundant number, since it is smaller than the sum of its proper divisors (1357600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242368 is an equidigital number, since it uses as much as digits as its factorization.

1242368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 236 counting only the distinct ones).

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

The square root of 1242368 is about 1114.6156288156. The cubic root of 1242368 is about 107.5020515203.

Adding to 1242368 its reverse (8632421), we get a palindrome (9874789).

The spelling of 1242368 in words is "one million, two hundred forty-two thousand, three hundred sixty-eight".