1242304135 has 4 divisors (see below), whose sum is σ = 1490764968. Its totient is φ = 993843304.

The previous prime is 1242304109. The next prime is 1242304163. The reversal of 1242304135 is 5314032421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1242304135 - 2⁵ = 1242304103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124230409 + ... + 124230418.

It is an arithmetic number, because the mean of its divisors is an integer number (372691242).

Almost surely, 2^1242304135 is an apocalyptic number.

1242304135 is a deficient number, since it is larger than the sum of its proper divisors (248460833).

1242304135 is an equidigital number, since it uses as much as digits as its factorization.

1242304135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248460832.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1242304135 is about 35246.3350577049. The cubic root of 1242304135 is about 1075.0020941008.

Adding to 1242304135 its reverse (5314032421), we get a palindrome (6556336556).

The spelling of 1242304135 in words is "one billion, two hundred forty-two million, three hundred four thousand, one hundred thirty-five".