121032121 has 8 divisors (see below), whose sum is σ = 138438720. Its totient is φ = 103654608.

The previous prime is 121032101. The next prime is 121032133. The reversal of 121032121 is 121230121.

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 121032121 - 2⁵ = 121032089 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (121032101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535 + ... + 15763.

It is an arithmetic number, because the mean of its divisors is an integer number (17304840).

Almost surely, 2^121032121 is an apocalyptic number.

It is an amenable number.

121032121 is a deficient number, since it is larger than the sum of its proper divisors (17406599).

121032121 is a wasteful number, since it uses less digits than its factorization.

121032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14543.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121032121 is about 11001.4599485705. The cubic root of 121032121 is about 494.6525071950.

Adding to 121032121 its reverse (121230121), we get a palindrome (242262242).

The spelling of 121032121 in words is "one hundred twenty-one million, thirty-two thousand, one hundred twenty-one".