97792121 has 8 divisors (see below), whose sum is σ = 112752384. Its totient is φ = 83079360.

The previous prime is 97792117. The next prime is 97792129. The reversal of 97792121 is 12129779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97792121 - 2² = 97792117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97792129) 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, 61025 + ... + 62606.

It is an arithmetic number, because the mean of its divisors is an integer number (14094048).

Almost surely, 2^97792121 is an apocalyptic number.

It is an amenable number.

97792121 is a deficient number, since it is larger than the sum of its proper divisors (14960263).

97792121 is a wasteful number, since it uses less digits than its factorization.

97792121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123751.

The product of its digits is 15876, while the sum is 38.

The square root of 97792121 is about 9888.9898877489. The cubic root of 97792121 is about 460.7174076575.

The spelling of 97792121 in words is "ninety-seven million, seven hundred ninety-two thousand, one hundred twenty-one".