973128140 has 12 divisors (see below), whose sum is σ = 2043569136. Its totient is φ = 389251248.

The previous prime is 973128139. The next prime is 973128193. The reversal of 973128140 is 41821379.

It is a self number, because there is not a number n which added to its sum of digits gives 973128140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24328184 + ... + 24328223.

It is an arithmetic number, because the mean of its divisors is an integer number (170297428).

Almost surely, 2^973128140 is an apocalyptic number.

It is an amenable number.

973128140 is an abundant number, since it is smaller than the sum of its proper divisors (1070440996).

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

973128140 is a wasteful number, since it uses less digits than its factorization.

973128140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48656416 (or 48656414 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 973128140 is about 31195.0018432441. The cubic root of 973128140 is about 990.9612606762.

The spelling of 973128140 in words is "nine hundred seventy-three million, one hundred twenty-eight thousand, one hundred forty".