121210093 has 4 divisors (see below), whose sum is σ = 125120128. Its totient is φ = 117300060.

The previous prime is 121210081. The next prime is 121210157. The reversal of 121210093 is 390012121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390012121 = 17987 ⋅21683.

It is a cyclic number.

It is not a de Polignac number, because 121210093 - 2⁹ = 121209581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121210093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121250093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954971 + ... + 1955032.

It is an arithmetic number, because the mean of its divisors is an integer number (31280032).

Almost surely, 2^121210093 is an apocalyptic number.

It is an amenable number.

121210093 is a deficient number, since it is larger than the sum of its proper divisors (3910035).

121210093 is an equidigital number, since it uses as much as digits as its factorization.

121210093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910034.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 121210093 is about 11009.5455401211. The cubic root of 121210093 is about 494.8948428119.

The spelling of 121210093 in words is "one hundred twenty-one million, two hundred ten thousand, ninety-three".