121095 has 40 divisors (see below), whose sum is σ = 243936. Its totient is φ = 57024.

The previous prime is 121081. The next prime is 121123. The reversal of 121095 is 590121.

It is not a de Polignac number, because 121095 - 2⁵ = 121063 is a prime.

121095 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121095.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5254 + ... + 5276.

2¹²¹⁰⁹⁵ is an apocalyptic number.

121095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121095 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121095 is a wasteful number, since it uses less digits than its factorization.

121095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 121095 is about 347.9870687253. The cubic root of 121095 is about 49.4738153523.

The spelling of 121095 in words is "one hundred twenty-one thousand, ninety-five".