121441133 has 4 divisors (see below), whose sum is σ = 132481248. Its totient is φ = 110401020.

The previous prime is 121441129. The next prime is 121441147. The reversal of 121441133 is 331144121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121441133 - 2² = 121441129 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 (121441153) 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, 5520041 + ... + 5520062.

It is an arithmetic number, because the mean of its divisors is an integer number (33120312).

Almost surely, 2^121441133 is an apocalyptic number.

It is an amenable number.

121441133 is a deficient number, since it is larger than the sum of its proper divisors (11040115).

121441133 is a wasteful number, since it uses less digits than its factorization.

121441133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040114.

The product of its digits is 288, while the sum is 20.

The square root of 121441133 is about 11020.0332576631. The cubic root of 121441133 is about 495.2090848850.

Adding to 121441133 its reverse (331144121), we get a palindrome (452585254).

The spelling of 121441133 in words is "one hundred twenty-one million, four hundred forty-one thousand, one hundred thirty-three".