1170243379 has 2 divisors, whose sum is σ = 1170243380. Its totient is φ = 1170243378.

The previous prime is 1170243377. The next prime is 1170243391. The reversal of 1170243379 is 9733420711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170243379 - 2¹ = 1170243377 is a prime.

Together with 1170243377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1170243377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585121689 + 585121690.

It is an arithmetic number, because the mean of its divisors is an integer number (585121690).

Almost surely, 2^1170243379 is an apocalyptic number.

1170243379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170243379 is an equidigital number, since it uses as much as digits as its factorization.

1170243379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1170243379 is about 34208.8201930438. The cubic root of 1170243379 is about 1053.8013021595.

The spelling of 1170243379 in words is "one billion, one hundred seventy million, two hundred forty-three thousand, three hundred seventy-nine".