121075 has 12 divisors (see below), whose sum is σ = 156240. Its totient is φ = 92960.

The previous prime is 121067. The next prime is 121081. The reversal of 121075 is 570121.

It is not a de Polignac number, because 121075 - 2³ = 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 11 ways as a sum of consecutive naturals, for example, 642 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2¹²¹⁰⁷⁵ is an apocalyptic number.

121075 is a deficient number, since it is larger than the sum of its proper divisors (35165).

121075 is a wasteful number, since it uses less digits than its factorization.

121075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 121075 is about 347.9583308386. The cubic root of 121075 is about 49.4710915107.

Adding to 121075 its reverse (570121), we get a palindrome (691196).

The spelling of 121075 in words is "one hundred twenty-one thousand, seventy-five".