121135 has 8 divisors (see below), whose sum is σ = 166176. Its totient is φ = 83040.

The previous prime is 121123. The next prime is 121139. The reversal of 121135 is 531121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121135 - 2⁷ = 121007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (20772).

2¹²¹¹³⁵ is an apocalyptic number.

121135 is a deficient number, since it is larger than the sum of its proper divisors (45041).

121135 is an equidigital number, since it uses as much as digits as its factorization.

121135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473.

The product of its digits is 30, while the sum is 13.

The square root of 121135 is about 348.0445373799. The cubic root of 121135 is about 49.4792621359.

Adding to 121135 its reverse (531121), we get a palindrome (652256).

It can be divided in two parts, 121 and 135, that added together give a 8-th power (256 = 2⁸).

The spelling of 121135 in words is "one hundred twenty-one thousand, one hundred thirty-five".