1165124197 has 2 divisors, whose sum is σ = 1165124198. Its totient is φ = 1165124196.

The previous prime is 1165124167. The next prime is 1165124201. The reversal of 1165124197 is 7914215611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605848996 + 559275201 = 24614^2 + 23649^2 .

It is an emirp because it is prime and its reverse (7914215611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165124197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165124167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582562098 + 582562099.

It is an arithmetic number, because the mean of its divisors is an integer number (582562099).

Almost surely, 2^1165124197 is an apocalyptic number.

It is an amenable number.

1165124197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165124197 is an equidigital number, since it uses as much as digits as its factorization.

1165124197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 37.

The square root of 1165124197 is about 34133.9156411918. The cubic root of 1165124197 is about 1052.2624524692.

The spelling of 1165124197 in words is "one billion, one hundred sixty-five million, one hundred twenty-four thousand, one hundred ninety-seven".