121395 has 8 divisors (see below), whose sum is σ = 194256. Its totient is φ = 64736.

The previous prime is 121379. The next prime is 121403. The reversal of 121395 is 593121.

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 121395 - 2⁴ = 121379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (24282).

2¹²¹³⁹⁵ is an apocalyptic number.

121395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121395 is a deficient number, since it is larger than the sum of its proper divisors (72861).

121395 is an equidigital number, since it uses as much as digits as its factorization.

121395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101.

The product of its digits is 270, while the sum is 21.

The square root of 121395 is about 348.4178525851. The cubic root of 121395 is about 49.5146370346.

The spelling of 121395 in words is "one hundred twenty-one thousand, three hundred ninety-five".