121795 has 4 divisors (see below), whose sum is σ = 146160. Its totient is φ = 97432.

The previous prime is 121789. The next prime is 121843. The reversal of 121795 is 597121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 597121 = 7 ⋅85303.

It is a cyclic number.

It is not a de Polignac number, because 121795 - 2³ = 121787 is a prime.

121795 is a lucky 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, 12175 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2¹²¹⁷⁹⁵ is an apocalyptic number.

121795 is a deficient number, since it is larger than the sum of its proper divisors (24365).

121795 is an equidigital number, since it uses as much as digits as its factorization.

121795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24364.

The product of its digits is 630, while the sum is 25.

The square root of 121795 is about 348.9914039056. The cubic root of 121795 is about 49.5689614601.

The spelling of 121795 in words is "one hundred twenty-one thousand, seven hundred ninety-five".