1240368 has 20 divisors (see below), whose sum is σ = 3204408. Its totient is φ = 413440.

The previous prime is 1240363. The next prime is 1240387. The reversal of 1240368 is 8630421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1240361) 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, 12873 + ... + 12968.

2^1240368 is an apocalyptic number.

It is an amenable number.

1240368 is an abundant number, since it is smaller than the sum of its proper divisors (1964040).

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

1240368 is a wasteful number, since it uses less digits than its factorization.

1240368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25852 (or 25846 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1240368 is about 1113.7180971862. The cubic root of 1240368 is about 107.4443338983. Note that the first 3 decimals are identical.

Adding to 1240368 its reverse (8630421), we get a palindrome (9870789).

It can be divided in two parts, 12 and 40368, that multiplied together give a square (484416 = 696²).

The spelling of 1240368 in words is "one million, two hundred forty thousand, three hundred sixty-eight".