1321724082 has 16 divisors (see below), whose sum is σ = 3021083712. Its totient is φ = 377635440.

The previous prime is 1321724051. The next prime is 1321724111. The reversal of 1321724082 is 2804271231.

It is a super-3 number, since 3×1321724082³ (a number of 28 digits) contains 333 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 15734769 + ... + 15734852.

It is an arithmetic number, because the mean of its divisors is an integer number (188817732).

Almost surely, 2^1321724082 is an apocalyptic number.

1321724082 is an abundant number, since it is smaller than the sum of its proper divisors (1699359630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321724082 is a wasteful number, since it uses less digits than its factorization.

1321724082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31469633.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1321724082 is about 36355.5234042917. The cubic root of 1321724082 is about 1097.4386914070.

The spelling of 1321724082 in words is "one billion, three hundred twenty-one million, seven hundred twenty-four thousand, eighty-two".