1172982259 has 4 divisors (see below), whose sum is σ = 1173316504. Its totient is φ = 1172648016.

The previous prime is 1172982203. The next prime is 1172982281. The reversal of 1172982259 is 9522892711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1172982259 - 2⁷ = 1172982131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172982289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161802 + ... + 168895.

It is an arithmetic number, because the mean of its divisors is an integer number (293329126).

Almost surely, 2^1172982259 is an apocalyptic number.

1172982259 is a deficient number, since it is larger than the sum of its proper divisors (334245).

1172982259 is an equidigital number, since it uses as much as digits as its factorization.

1172982259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334244.

The product of its digits is 181440, while the sum is 46.

The square root of 1172982259 is about 34248.8285785076. The cubic root of 1172982259 is about 1054.6227798687.

The spelling of 1172982259 in words is "one billion, one hundred seventy-two million, nine hundred eighty-two thousand, two hundred fifty-nine".