1195850897 has 2 divisors, whose sum is σ = 1195850898. Its totient is φ = 1195850896.

The previous prime is 1195850879. The next prime is 1195850911. The reversal of 1195850897 is 7980585911.

It is a happy number.

Together with previous prime (1195850879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105961536 + 89889361 = 33256^2 + 9481^2 .

It is an emirp because it is prime and its reverse (7980585911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1195850897 - 2¹² = 1195846801 is a prime.

It is a super-3 number, since 3×1195850897³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1195850197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597925448 + 597925449.

It is an arithmetic number, because the mean of its divisors is an integer number (597925449).

Almost surely, 2^1195850897 is an apocalyptic number.

It is an amenable number.

1195850897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195850897 is an equidigital number, since it uses as much as digits as its factorization.

1195850897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 53.

The square root of 1195850897 is about 34581.0771521073. The cubic root of 1195850897 is about 1061.4324105071.

The spelling of 1195850897 in words is "one billion, one hundred ninety-five million, eight hundred fifty thousand, eight hundred ninety-seven".