97102121 has 4 divisors (see below), whose sum is σ = 100450500. Its totient is φ = 93753744.

The previous prime is 97102099. The next prime is 97102129. The reversal of 97102121 is 12120179.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 37210000 = 7739^2 + 6100^2 .

It is a cyclic number.

It is not a de Polignac number, because 97102121 - 2²² = 92907817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97102129) 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 3 ways as a sum of consecutive naturals, for example, 1674146 + ... + 1674203.

It is an arithmetic number, because the mean of its divisors is an integer number (25112625).

Almost surely, 2^97102121 is an apocalyptic number.

It is an amenable number.

97102121 is a deficient number, since it is larger than the sum of its proper divisors (3348379).

97102121 is a wasteful number, since it uses less digits than its factorization.

97102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348378.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 97102121 is about 9854.0408462722. The cubic root of 97102121 is about 459.6312750914.

The spelling of 97102121 in words is "ninety-seven million, one hundred two thousand, one hundred twenty-one".