1304242 has 4 divisors (see below), whose sum is σ = 1956366. Its totient is φ = 652120.

The previous prime is 1304239. The next prime is 1304243. The reversal of 1304242 is 2424031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424031 = 733 ⋅3307.

It can be written as a sum of positive squares in only one way, i.e., 755161 + 549081 = 869^2 + 741^2 .

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 0 + 4⁸ + 2³ + 4¹⁰ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (1304243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326059 + ... + 326062.

2^1304242 is an apocalyptic number.

1304242 is a deficient number, since it is larger than the sum of its proper divisors (652124).

1304242 is an equidigital number, since it uses as much as digits as its factorization.

1304242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652123.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1304242 is about 1142.0341501024. The cubic root of 1304242 is about 109.2578693841.

Adding to 1304242 its reverse (2424031), we get a palindrome (3728273).

The spelling of 1304242 in words is "one million, three hundred four thousand, two hundred forty-two".