121132135 has 4 divisors (see below), whose sum is σ = 145358568. Its totient is φ = 96905704.

The previous prime is 121132127. The next prime is 121132169. The reversal of 121132135 is 531231121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531231121 = 89 ⋅5968889.

It is a cyclic number.

It is not a de Polignac number, because 121132135 - 2³ = 121132127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113209 + ... + 12113218.

It is an arithmetic number, because the mean of its divisors is an integer number (36339642).

Almost surely, 2^121132135 is an apocalyptic number.

121132135 is a deficient number, since it is larger than the sum of its proper divisors (24226433).

121132135 is an equidigital number, since it uses as much as digits as its factorization.

121132135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226432.

The product of its digits is 180, while the sum is 19.

The square root of 121132135 is about 11006.0044975459. The cubic root of 121132135 is about 494.7887204986.

Adding to 121132135 its reverse (531231121), we get a palindrome (652363256).

The spelling of 121132135 in words is "one hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-five".