1172743982 has 4 divisors (see below), whose sum is σ = 1759115976. Its totient is φ = 586371990.

The previous prime is 1172743961. The next prime is 1172744017. The reversal of 1172743982 is 2893472711.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 293185994 + ... + 293185997.

It is an arithmetic number, because the mean of its divisors is an integer number (439778994).

Almost surely, 2^1172743982 is an apocalyptic number.

1172743982 is a deficient number, since it is larger than the sum of its proper divisors (586371994).

1172743982 is an equidigital number, since it uses as much as digits as its factorization.

1172743982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586371993.

The product of its digits is 169344, while the sum is 44.

The square root of 1172743982 is about 34245.3497865039. The cubic root of 1172743982 is about 1054.5513637929.

The spelling of 1172743982 in words is "one billion, one hundred seventy-two million, seven hundred forty-three thousand, nine hundred eighty-two".