1241247132081 has 48 divisors (see below), whose sum is σ = 2022508911360. Its totient is φ = 751803703200.

The previous prime is 1241247132071. The next prime is 1241247132089. The reversal of 1241247132081 is 1802317421421.

1241247132081 is a `hidden beast` number, since 1 + 241 + 24 + 71 + 320 + 8 + 1 = 666.

It is not a de Polignac number, because 1241247132081 - 2⁶ = 1241247132017 is a prime.

It is a super-2 number, since 2×1241247132081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1241247132089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5178616 + ... + 5412998.

It is an arithmetic number, because the mean of its divisors is an integer number (42135602320).

Almost surely, 2^{1241247132081} is an apocalyptic number.

1241247132081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1241247132081 is a deficient number, since it is larger than the sum of its proper divisors (781261779279).

1241247132081 is a wasteful number, since it uses less digits than its factorization.

1241247132081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236035 (or 236018 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 1241247132081 in words is "one trillion, two hundred forty-one billion, two hundred forty-seven million, one hundred thirty-two thousand, eighty-one".