121195 has 4 divisors (see below), whose sum is σ = 145440. Its totient is φ = 96952.

The previous prime is 121189. The next prime is 121229. The reversal of 121195 is 591121.

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

It is a cyclic number.

It is not a de Polignac number, because 121195 - 2⁷ = 121067 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12115 + ... + 12124.

It is an arithmetic number, because the mean of its divisors is an integer number (36360).

2¹²¹¹⁹⁵ is an apocalyptic number.

121195 is a deficient number, since it is larger than the sum of its proper divisors (24245).

121195 is an equidigital number, since it uses as much as digits as its factorization.

121195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244.

The product of its digits is 90, while the sum is 19.

The square root of 121195 is about 348.1307225742. The cubic root of 121195 is about 49.4874300634.

The spelling of 121195 in words is "one hundred twenty-one thousand, one hundred ninety-five".