1240304 has 40 divisors (see below), whose sum is σ = 2656080. Its totient is φ = 557568.

The previous prime is 1240273. The next prime is 1240307. The reversal of 1240304 is 4030421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13892 + ... + 13980.

It is an arithmetic number, because the mean of its divisors is an integer number (66402).

2^1240304 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 1240304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328040).

1240304 is an abundant number, since it is smaller than the sum of its proper divisors (1415776).

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

1240304 is a wasteful number, since it uses less digits than its factorization.

1240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1240304 is about 1113.6893642304. The cubic root of 1240304 is about 107.4424859103.

Adding to 1240304 its reverse (4030421), we get a palindrome (5270725).

The spelling of 1240304 in words is "one million, two hundred forty thousand, three hundred four".