1175125979 has 2 divisors, whose sum is σ = 1175125980. Its totient is φ = 1175125978.

The previous prime is 1175125921. The next prime is 1175125981. The reversal of 1175125979 is 9795215711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1175125979 - 2¹⁶ = 1175060443 is a prime.

Together with 1175125981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1175125909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587562989 + 587562990.

It is an arithmetic number, because the mean of its divisors is an integer number (587562990).

Almost surely, 2^1175125979 is an apocalyptic number.

1175125979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1175125979 is an equidigital number, since it uses as much as digits as its factorization.

1175125979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 198450, while the sum is 47.

The square root of 1175125979 is about 34280.1105453293. The cubic root of 1175125979 is about 1055.2648583685.

The spelling of 1175125979 in words is "one billion, one hundred seventy-five million, one hundred twenty-five thousand, nine hundred seventy-nine".