121351135 has 4 divisors (see below), whose sum is σ = 145621368. Its totient is φ = 97080904.

The previous prime is 121351129. The next prime is 121351159. The reversal of 121351135 is 531153121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121351135 - 2³ = 121351127 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, 12135109 + ... + 12135118.

It is an arithmetic number, because the mean of its divisors is an integer number (36405342).

Almost surely, 2^121351135 is an apocalyptic number.

121351135 is a deficient number, since it is larger than the sum of its proper divisors (24270233).

121351135 is an equidigital number, since it uses as much as digits as its factorization.

121351135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270232.

The product of its digits is 450, while the sum is 22.

The square root of 121351135 is about 11015.9491193451. The cubic root of 121351135 is about 495.0867242533.

The spelling of 121351135 in words is "one hundred twenty-one million, three hundred fifty-one thousand, one hundred thirty-five".