1301242361 has 2 divisors, whose sum is σ = 1301242362. Its totient is φ = 1301242360.

The previous prime is 1301242357. The next prime is 1301242387. The reversal of 1301242361 is 1632421031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039417600 + 261824761 = 32240^2 + 16181^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301242361 - 2² = 1301242357 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301242331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650621180 + 650621181.

It is an arithmetic number, because the mean of its divisors is an integer number (650621181).

Almost surely, 2^1301242361 is an apocalyptic number.

It is an amenable number.

1301242361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301242361 is an equidigital number, since it uses as much as digits as its factorization.

1301242361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1301242361 is about 36072.7370877232. The cubic root of 1301242361 is about 1091.7404400493.

Adding to 1301242361 its reverse (1632421031), we get a palindrome (2933663392).

The spelling of 1301242361 in words is "one billion, three hundred one million, two hundred forty-two thousand, three hundred sixty-one".