1301532101 has 2 divisors, whose sum is σ = 1301532102. Its totient is φ = 1301532100.

The previous prime is 1301532097. The next prime is 1301532139. The reversal of 1301532101 is 1012351031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032079876 + 269452225 = 32126^2 + 16415^2 .

It is an emirp because it is prime and its reverse (1012351031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301532101 - 2² = 1301532097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301532101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301532161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650766050 + 650766051.

It is an arithmetic number, because the mean of its divisors is an integer number (650766051).

Almost surely, 2^1301532101 is an apocalyptic number.

It is an amenable number.

1301532101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301532101 is an equidigital number, since it uses as much as digits as its factorization.

1301532101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1301532101 is about 36076.7529165251. The cubic root of 1301532101 is about 1091.8214645148.

Adding to 1301532101 its reverse (1012351031), we get a palindrome (2313883132).

The spelling of 1301532101 in words is "one billion, three hundred one million, five hundred thirty-two thousand, one hundred one".