1195970117 has 2 divisors, whose sum is σ = 1195970118. Its totient is φ = 1195970116.

The previous prime is 1195970107. The next prime is 1195970119. The reversal of 1195970117 is 7110795911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885717121 + 310252996 = 29761^2 + 17614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1195970117 - 2⁶ = 1195970053 is a prime.

Together with 1195970119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1195970119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597985058 + 597985059.

It is an arithmetic number, because the mean of its divisors is an integer number (597985059).

Almost surely, 2^1195970117 is an apocalyptic number.

It is an amenable number.

1195970117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195970117 is an equidigital number, since it uses as much as digits as its factorization.

1195970117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 41.

The square root of 1195970117 is about 34582.8008842546. The cubic root of 1195970117 is about 1061.4676823980.

The spelling of 1195970117 in words is "one billion, one hundred ninety-five million, nine hundred seventy thousand, one hundred seventeen".