121134219 has 4 divisors (see below), whose sum is σ = 161512296. Its totient is φ = 80756144.

The previous prime is 121134217. The next prime is 121134241. The reversal of 121134219 is 912431121.

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 121134219 - 2¹ = 121134217 is a prime.

It is a super-2 number, since 2×121134219² = 29346998025479922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121134217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20189034 + ... + 20189039.

It is an arithmetic number, because the mean of its divisors is an integer number (40378074).

Almost surely, 2^121134219 is an apocalyptic number.

121134219 is a deficient number, since it is larger than the sum of its proper divisors (40378077).

121134219 is an equidigital number, since it uses as much as digits as its factorization.

121134219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40378076.

The product of its digits is 432, while the sum is 24.

The square root of 121134219 is about 11006.0991727315. The cubic root of 121134219 is about 494.7915579889.

The spelling of 121134219 in words is "one hundred twenty-one million, one hundred thirty-four thousand, two hundred nineteen".