9102121 has 8 divisors (see below), whose sum is σ = 10950080. Its totient is φ = 7391088.

The previous prime is 9102109. The next prime is 9102131. The reversal of 9102121 is 1212019.

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

It is a cyclic number.

It is not a de Polignac number, because 9102121 - 2¹⁵ = 9069353 is a prime.

9102121 is a modest number, since divided by 2121 gives 910 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 9102095 and 9102104.

It is not an unprimeable number, because it can be changed into a prime (9102101) 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 in 7 ways as a sum of consecutive naturals, for example, 34086 + ... + 34351.

It is an arithmetic number, because the mean of its divisors is an integer number (1368760).

Almost surely, 2^9102121 is an apocalyptic number.

It is an amenable number.

9102121 is a deficient number, since it is larger than the sum of its proper divisors (1847959).

9102121 is a wasteful number, since it uses less digits than its factorization.

9102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68463.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 9102121 is about 3016.9721576442. The cubic root of 9102121 is about 208.7921668915.

The spelling of 9102121 in words is "nine million, one hundred two thousand, one hundred twenty-one".