1298331941 has 2 divisors, whose sum is σ = 1298331942. Its totient is φ = 1298331940.

The previous prime is 1298331917. The next prime is 1298331949. The reversal of 1298331941 is 1491338921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001975716 + 296356225 = 31654^2 + 17215^2 .

It is an emirp because it is prime and its reverse (1491338921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298331941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1298331949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649165970 + 649165971.

It is an arithmetic number, because the mean of its divisors is an integer number (649165971).

Almost surely, 2^1298331941 is an apocalyptic number.

It is an amenable number.

1298331941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298331941 is an equidigital number, since it uses as much as digits as its factorization.

1298331941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 1298331941 is about 36032.3735132728. The cubic root of 1298331941 is about 1090.9258864146.

The spelling of 1298331941 in words is "one billion, two hundred ninety-eight million, three hundred thirty-one thousand, nine hundred forty-one".