1230201197 has 6 divisors (see below), whose sum is σ = 1264349898. Its totient is φ = 1196951184.

The previous prime is 1230201169. The next prime is 1230201221. The reversal of 1230201197 is 7911020321.

It can be written as a sum of positive squares in 3 ways, for example, as 972566596 + 257634601 = 31186^2 + 16051^2 .

It is not a de Polignac number, because 1230201197 - 2²⁰ = 1229152621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230201127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447938 + ... + 450675.

It is an arithmetic number, because the mean of its divisors is an integer number (210724983).

Almost surely, 2^1230201197 is an apocalyptic number.

It is an amenable number.

1230201197 is a deficient number, since it is larger than the sum of its proper divisors (34148701).

1230201197 is an frugal number, since it uses more digits than its factorization.

1230201197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898687 (or 898650 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1230201197 is about 35074.2241111617. The cubic root of 1230201197 is about 1071.4996867683.

The spelling of 1230201197 in words is "one billion, two hundred thirty million, two hundred one thousand, one hundred ninety-seven".