1241422252240 has 20 divisors (see below), whose sum is σ = 2886306736644. Its totient is φ = 496568900864.

The previous prime is 1241422252229. The next prime is 1241422252247. The reversal of 1241422252240 is 422522241421.

It can be written as a sum of positive squares in 2 ways, for example, as 851102192704 + 390320059536 = 922552^2 + 624756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1241422252240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241422252247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7758888997 + ... + 7758889156.

Almost surely, 2^{1241422252240} is an apocalyptic number.

1241422252240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241422252240 is an abundant number, since it is smaller than the sum of its proper divisors (1644884484404).

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

1241422252240 is a wasteful number, since it uses less digits than its factorization.

1241422252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517778166 (or 15517778160 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 1241422252240 its reverse (422522241421), we get a palindrome (1663944493661).

The spelling of 1241422252240 in words is "one trillion, two hundred forty-one billion, four hundred twenty-two million, two hundred fifty-two thousand, two hundred forty".