1241021244240 has 120 divisors (see below), whose sum is σ = 4168642726248. Its totient is φ = 330869145600.

The previous prime is 1241021244193. The next prime is 1241021244247. The reversal of 1241021244240 is 424421201421.

1241021244240 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 0 + 212 + 442 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7420176 + 1241013824064 = 2724^2 + 1114008^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241021244247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3277212 + ... + 3636228.

Almost surely, 2^{1241021244240} is an apocalyptic number.

1241021244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241021244240 is an abundant number, since it is smaller than the sum of its proper divisors (2927621482008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241021244240 is a wasteful number, since it uses less digits than its factorization.

1241021244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363837 (or 363828 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1241021244240 its reverse (424421201421), we get a palindrome (1665442445661).

The spelling of 1241021244240 in words is "one trillion, two hundred forty-one billion, twenty-one million, two hundred forty-four thousand, two hundred forty".