9754121128 has 32 divisors (see below), whose sum is σ = 18462767400. Its totient is φ = 4830773248.

The previous prime is 9754121071. The next prime is 9754121131. The reversal of 9754121128 is 8211214579.

It can be written as a sum of positive squares in 4 ways, for example, as 9177256804 + 576864324 = 95798^2 + 24018^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085000 + ... + 2089672.

Almost surely, 2^9754121128 is an apocalyptic number.

It is an amenable number.

9754121128 is a deficient number, since it is larger than the sum of its proper divisors (8708646272).

9754121128 is a wasteful number, since it uses less digits than its factorization.

9754121128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101 (or 7097 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 9754121128 is about 98762.9542287998. The cubic root of 9754121128 is about 2136.6302928667.

The spelling of 9754121128 in words is "nine billion, seven hundred fifty-four million, one hundred twenty-one thousand, one hundred twenty-eight".