1240204241 has 8 divisors (see below), whose sum is σ = 1247506920. Its totient is φ = 1232912128.

The previous prime is 1240204219. The next prime is 1240204253. The reversal of 1240204241 is 1424020421.

It can be written as a sum of positive squares in 4 ways, for example, as 201753616 + 1038450625 = 14204^2 + 32225^2 .

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 1240204241 - 2¹⁴ = 1240187857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240204211) 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, 417935 + ... + 420891.

It is an arithmetic number, because the mean of its divisors is an integer number (155938365).

Almost surely, 2^1240204241 is an apocalyptic number.

It is an amenable number.

1240204241 is a deficient number, since it is larger than the sum of its proper divisors (7302679).

1240204241 is a wasteful number, since it uses less digits than its factorization.

1240204241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1240204241 is about 35216.5336312363. The cubic root of 1240204241 is about 1074.3960526104.

Adding to 1240204241 its reverse (1424020421), we get a palindrome (2664224662).

The spelling of 1240204241 in words is "one billion, two hundred forty million, two hundred four thousand, two hundred forty-one".