1240421760241 has 8 divisors (see below), whose sum is σ = 1252140417000. Its totient is φ = 1228709260800.

The previous prime is 1240421760209. The next prime is 1240421760289. The reversal of 1240421760241 is 1420671240421.

It can be written as a sum of positive squares in 4 ways, for example, as 165218673841 + 1075203086400 = 406471^2 + 1036920^2 .

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 1240421760241 - 2⁵ = 1240421760209 is a prime.

It is a super-2 number, since 2×1240421760241² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240421760197 and 1240421760206.

It is not an unprimeable number, because it can be changed into a prime (1240421760041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134016 + ... + 1940833.

It is an arithmetic number, because the mean of its divisors is an integer number (156517552125).

Almost surely, 2^{1240421760241} is an apocalyptic number.

It is an amenable number.

1240421760241 is a deficient number, since it is larger than the sum of its proper divisors (11718656759).

1240421760241 is a wasteful number, since it uses less digits than its factorization.

1240421760241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078659.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 1240421760241 in words is "one trillion, two hundred forty billion, four hundred twenty-one million, seven hundred sixty thousand, two hundred forty-one".