1298283641 has 2 divisors, whose sum is σ = 1298283642. Its totient is φ = 1298283640.

The previous prime is 1298283619. The next prime is 1298283643. The reversal of 1298283641 is 1463828921.

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., 882327616 + 415956025 = 29704^2 + 20395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298283641 - 2¹⁸ = 1298021497 is a prime.

It is a super-3 number, since 3×1298283641³ (a number of 28 digits) contains 333 as substring.

Together with 1298283643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1298283592 and 1298283601.

It is not a weakly prime, because it can be changed into another prime (1298283643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649141820 + 649141821.

It is an arithmetic number, because the mean of its divisors is an integer number (649141821).

Almost surely, 2^1298283641 is an apocalyptic number.

It is an amenable number.

1298283641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298283641 is an equidigital number, since it uses as much as digits as its factorization.

1298283641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 1298283641 is about 36031.7032764203. The cubic root of 1298283641 is about 1090.9123581912.

The spelling of 1298283641 in words is "one billion, two hundred ninety-eight million, two hundred eighty-three thousand, six hundred forty-one".