1001201197 has 2 divisors, whose sum is σ = 1001201198. Its totient is φ = 1001201196.

The previous prime is 1001201189. The next prime is 1001201231. The reversal of 1001201197 is 7911021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835152201 + 166048996 = 28899^2 + 12886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001201197 - 2³ = 1001201189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001201137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600598 + 500600599.

It is an arithmetic number, because the mean of its divisors is an integer number (500600599).

Almost surely, 2^1001201197 is an apocalyptic number.

It is an amenable number.

1001201197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001201197 is an equidigital number, since it uses as much as digits as its factorization.

1001201197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 1001201197 is about 31641.7634938383. The cubic root of 1001201197 is about 1000.4002387875.

Adding to 1001201197 its reverse (7911021001), we get a palindrome (8912222198).

The spelling of 1001201197 in words is "one billion, one million, two hundred one thousand, one hundred ninety-seven".