1242401241 has 8 divisors (see below), whose sum is σ = 1743721120. Its totient is φ = 784674432.

The previous prime is 1242401233. The next prime is 1242401263. The reversal of 1242401241 is 1421042421.

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

It is not a de Polignac number, because 1242401241 - 2³ = 1242401233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242401201) 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, 10898200 + ... + 10898313.

It is an arithmetic number, because the mean of its divisors is an integer number (217965140).

Almost surely, 2^1242401241 is an apocalyptic number.

It is an amenable number.

1242401241 is a deficient number, since it is larger than the sum of its proper divisors (501319879).

1242401241 is a wasteful number, since it uses less digits than its factorization.

1242401241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21796535.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1242401241 is about 35247.7125640800. The cubic root of 1242401241 is about 1075.0301029248.

Adding to 1242401241 its reverse (1421042421), we get a palindrome (2663443662).

The spelling of 1242401241 in words is "one billion, two hundred forty-two million, four hundred one thousand, two hundred forty-one".