1301009197 has 2 divisors, whose sum is σ = 1301009198. Its totient is φ = 1301009196.

The previous prime is 1301009131. The next prime is 1301009221. The reversal of 1301009197 is 7919001031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668687881 + 632321316 = 25859^2 + 25146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301009197 - 2¹⁵ = 1300976429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301009117) 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, 650504598 + 650504599.

It is an arithmetic number, because the mean of its divisors is an integer number (650504599).

Almost surely, 2^1301009197 is an apocalyptic number.

It is an amenable number.

1301009197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301009197 is an equidigital number, since it uses as much as digits as its factorization.

1301009197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 1301009197 is about 36069.5050839348. The cubic root of 1301009197 is about 1091.6752280690.

The spelling of 1301009197 in words is "one billion, three hundred one million, nine thousand, one hundred ninety-seven".