121194193 has 4 divisors (see below), whose sum is σ = 122654448. Its totient is φ = 119733940.

The previous prime is 121194191. The next prime is 121194197. The reversal of 121194193 is 391491121.

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.

It is a cyclic number.

It is not a de Polignac number, because 121194193 - 2¹ = 121194191 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121194191) 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, 730003 + ... + 730168.

It is an arithmetic number, because the mean of its divisors is an integer number (30663612).

Almost surely, 2^121194193 is an apocalyptic number.

It is an amenable number.

121194193 is a deficient number, since it is larger than the sum of its proper divisors (1460255).

121194193 is an equidigital number, since it uses as much as digits as its factorization.

121194193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460254.

The product of its digits is 1944, while the sum is 31.

The square root of 121194193 is about 11008.8234157879. The cubic root of 121194193 is about 494.8732022266.

The spelling of 121194193 in words is "one hundred twenty-one million, one hundred ninety-four thousand, one hundred ninety-three".