121131133 has 8 divisors (see below), whose sum is σ = 127310400. Its totient is φ = 115027968.

The previous prime is 121131121. The next prime is 121131149. The reversal of 121131133 is 331131121.

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

It is not a de Polignac number, because 121131133 - 2²⁵ = 87576701 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 (121131433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15748 + ... + 22141.

It is an arithmetic number, because the mean of its divisors is an integer number (15913800).

Almost surely, 2^121131133 is an apocalyptic number.

It is an amenable number.

121131133 is a deficient number, since it is larger than the sum of its proper divisors (6179267).

121131133 is a wasteful number, since it uses less digits than its factorization.

121131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38051.

The product of its digits is 54, while the sum is 16.

The square root of 121131133 is about 11005.9589768452. The cubic root of 121131133 is about 494.7873562042.

Adding to 121131133 its reverse (331131121), we get a palindrome (452262254).

The spelling of 121131133 in words is "one hundred twenty-one million, one hundred thirty-one thousand, one hundred thirty-three".