1324172980 has 24 divisors (see below), whose sum is σ = 2994668712. Its totient is φ = 488925312.

The previous prime is 1324172939. The next prime is 1324172999. The reversal of 1324172980 is 892714231.

It can be written as a sum of positive squares in 4 ways, for example, as 188348176 + 1135824804 = 13724^2 + 33702^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 2546227 + ... + 2546746.

It is an arithmetic number, because the mean of its divisors is an integer number (124777863).

Almost surely, 2^1324172980 is an apocalyptic number.

1324172980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324172980 is an abundant number, since it is smaller than the sum of its proper divisors (1670495732).

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

1324172980 is a wasteful number, since it uses less digits than its factorization.

1324172980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092995 (or 5092993 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1324172980 is about 36389.1876798590. The cubic root of 1324172980 is about 1098.1160534840.

The spelling of 1324172980 in words is "one billion, three hundred twenty-four million, one hundred seventy-two thousand, nine hundred eighty".