97128230 has 16 divisors (see below), whose sum is σ = 174953520. Its totient is φ = 38824032.

The previous prime is 97128217. The next prime is 97128233. The reversal of 97128230 is 3282179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97128233) by changing a digit.

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, 17897 + ... + 22683.

It is an arithmetic number, because the mean of its divisors is an integer number (10934595).

Almost surely, 2^97128230 is an apocalyptic number.

97128230 is a deficient number, since it is larger than the sum of its proper divisors (77825290).

97128230 is a wasteful number, since it uses less digits than its factorization.

97128230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 97128230 is about 9855.3655437026. The cubic root of 97128230 is about 459.6724669055.

The spelling of 97128230 in words is "ninety-seven million, one hundred twenty-eight thousand, two hundred thirty".