1242440001241 has 8 divisors (see below), whose sum is σ = 1276033419464. Its totient is φ = 1208847317760.

The previous prime is 1242440001233. The next prime is 1242440001277. The reversal of 1242440001241 is 1421000442421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 536671991241 + 705768010000 = 732579^2 + 840100^2 .

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 1242440001241 - 2³ = 1242440001233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242440001941) 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, 6238321 + ... + 6434401.

It is an arithmetic number, because the mean of its divisors is an integer number (159504177433).

Almost surely, 2^{1242440001241} is an apocalyptic number.

It is an amenable number.

1242440001241 is a deficient number, since it is larger than the sum of its proper divisors (33593418223).

1242440001241 is a wasteful number, since it uses less digits than its factorization.

1242440001241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367371.

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

Adding to 1242440001241 its reverse (1421000442421), we get a palindrome (2663440443662).

The spelling of 1242440001241 in words is "one trillion, two hundred forty-two billion, four hundred forty million, one thousand, two hundred forty-one".