1242441241 has 8 divisors (see below), whose sum is σ = 1280058120. Its totient is φ = 1205036928.

The previous prime is 1242441223. The next prime is 1242441259. The reversal of 1242441241 is 1421442421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1242441223) and next prime (1242441259).

It can be written as a sum of positive squares in 4 ways, for example, as 415303641 + 827137600 = 20379^2 + 28760^2 .

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 1242441241 - 2⁹ = 1242440729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242442241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41236 + ... + 64693.

It is an arithmetic number, because the mean of its divisors is an integer number (160007265).

Almost surely, 2^1242441241 is an apocalyptic number.

It is an amenable number.

1242441241 is a deficient number, since it is larger than the sum of its proper divisors (37616879).

1242441241 is a wasteful number, since it uses less digits than its factorization.

1242441241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106283.

The product of its digits is 2048, while the sum is 25.

The square root of 1242441241 is about 35248.2799722199. The cubic root of 1242441241 is about 1075.0416399230.

Adding to 1242441241 its reverse (1421442421), we get a palindrome (2663883662).

The spelling of 1242441241 in words is "one billion, two hundred forty-two million, four hundred forty-one thousand, two hundred forty-one".