1242312041 has 8 divisors (see below), whose sum is σ = 1296993600. Its totient is φ = 1187686192.

The previous prime is 1242312023. The next prime is 1242312047. The reversal of 1242312041 is 1402132421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242312041 - 2¹⁰ = 1242311017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1242312047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35411 + ... + 61143.

It is an arithmetic number, because the mean of its divisors is an integer number (162124200).

Almost surely, 2^1242312041 is an apocalyptic number.

It is an amenable number.

1242312041 is a deficient number, since it is larger than the sum of its proper divisors (54681559).

1242312041 is a wasteful number, since it uses less digits than its factorization.

1242312041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1242312041 is about 35246.4472110311. The cubic root of 1242312041 is about 1075.0043745270.

Adding to 1242312041 its reverse (1402132421), we get a palindrome (2644444462).

The spelling of 1242312041 in words is "one billion, two hundred forty-two million, three hundred twelve thousand, forty-one".