9700122128 has 10 divisors (see below), whose sum is σ = 18793986654. Its totient is φ = 4850061056.

The previous prime is 9700122127. The next prime is 9700122151. The reversal of 9700122128 is 8212210079.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4882096384 + 4818025744 = 69872^2 + 69412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9700122094 and 9700122103.

It is not an unprimeable number, because it can be changed into a prime (9700122127) by changing a digit.

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 as a sum of consecutive naturals, namely, 303128801 + ... + 303128832.

Almost surely, 2^9700122128 is an apocalyptic number.

It is an amenable number.

9700122128 is a deficient number, since it is larger than the sum of its proper divisors (9093864526).

9700122128 is a wasteful number, since it uses less digits than its factorization.

9700122128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606257641 (or 606257635 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 9700122128 is about 98489.1980269918. The cubic root of 9700122128 is about 2132.6801859450.

The spelling of 9700122128 in words is "nine billion, seven hundred million, one hundred twenty-two thousand, one hundred twenty-eight".