1241243001 has 32 divisors (see below), whose sum is σ = 2019840000. Its totient is φ = 749851344.

The previous prime is 1241242999. The next prime is 1241243011. The reversal of 1241243001 is 1003421421.

It is not a de Polignac number, because 1241243001 - 2¹ = 1241242999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1241243011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40801 + ... + 64398.

It is an arithmetic number, because the mean of its divisors is an integer number (63120000).

Almost surely, 2^1241243001 is an apocalyptic number.

It is an amenable number.

1241243001 is a deficient number, since it is larger than the sum of its proper divisors (778596999).

1241243001 is a wasteful number, since it uses less digits than its factorization.

1241243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105250 (or 105244 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1241243001 is about 35231.2787306961. The cubic root of 1241243001 is about 1074.6959301531.

Adding to 1241243001 its reverse (1003421421), we get a palindrome (2244664422).

The spelling of 1241243001 in words is "one billion, two hundred forty-one million, two hundred forty-three thousand, one".