1241241153021 has 24 divisors (see below), whose sum is σ = 1814610522816. Its totient is φ = 817476814080.

The previous prime is 1241241152947. The next prime is 1241241153121. The reversal of 1241241153021 is 1203511421421.

1241241153021 is a `hidden beast` number, since 1 + 2 + 4 + 124 + 1 + 1 + 530 + 2 + 1 = 666.

It is not a de Polignac number, because 1241241153021 - 2¹⁴ = 1241241136637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241241153121) 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, 16720416 + ... + 16794486.

It is an arithmetic number, because the mean of its divisors is an integer number (75608771784).

Almost surely, 2^{1241241153021} is an apocalyptic number.

It is an amenable number.

1241241153021 is a deficient number, since it is larger than the sum of its proper divisors (573369369795).

1241241153021 is a wasteful number, since it uses less digits than its factorization.

1241241153021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96593 (or 96590 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1241241153021 its reverse (1203511421421), we get a palindrome (2444752574442).

The spelling of 1241241153021 in words is "one trillion, two hundred forty-one billion, two hundred forty-one million, one hundred fifty-three thousand, twenty-one".