1241002001421 has 144 divisors (see below), whose sum is σ = 2281428264960. Its totient is φ = 636029521920.

The previous prime is 1241002001401. The next prime is 1241002001443.

1241002001421 is a `hidden beast` number, since 1 + 2 + 41 + 0 + 0 + 200 + 1 + 421 = 666.

1241002001421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1241002001421 - 2⁷ = 1241002001293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241002001394 and 1241002001403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241002001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 365967636 + ... + 365971026.

It is an arithmetic number, because the mean of its divisors is an integer number (15843251840).

Almost surely, 2^{1241002001421} is an apocalyptic number.

It is an amenable number.

1241002001421 is a deficient number, since it is larger than the sum of its proper divisors (1040426263539).

1241002001421 is a wasteful number, since it uses less digits than its factorization.

1241002001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 1241002001421 in words is "one trillion, two hundred forty-one billion, two million, one thousand, four hundred twenty-one".