1284261482501 has 2 divisors, whose sum is σ = 1284261482502. Its totient is φ = 1284261482500.

The previous prime is 1284261482459. The next prime is 1284261482507. The reversal of 1284261482501 is 1052841624821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128077652100 + 156183830401 = 1062110^2 + 395201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1284261482501 - 2¹⁸ = 1284261220357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284261482507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642130741250 + 642130741251.

It is an arithmetic number, because the mean of its divisors is an integer number (642130741251).

Almost surely, 2^{1284261482501} is an apocalyptic number.

It is an amenable number.

1284261482501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284261482501 is an equidigital number, since it uses as much as digits as its factorization.

1284261482501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 1284261482501 in words is "one trillion, two hundred eighty-four billion, two hundred sixty-one million, four hundred eighty-two thousand, five hundred one".