121200133 has 8 divisors (see below), whose sum is σ = 126590400. Its totient is φ = 115819968.

The previous prime is 121200109. The next prime is 121200139. The reversal of 121200133 is 331002121.

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

It is a cyclic number.

It is not a de Polignac number, because 121200133 - 2⁹ = 121199621 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 (121200139) 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, 32478 + ... + 36016.

It is an arithmetic number, because the mean of its divisors is an integer number (15823800).

Almost surely, 2^121200133 is an apocalyptic number.

It is an amenable number.

121200133 is a deficient number, since it is larger than the sum of its proper divisors (5390267).

121200133 is a wasteful number, since it uses less digits than its factorization.

121200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121200133 is about 11009.0931960811. The cubic root of 121200133 is about 494.8812870441.

Adding to 121200133 its reverse (331002121), we get a palindrome (452202254).

The spelling of 121200133 in words is "one hundred twenty-one million, two hundred thousand, one hundred thirty-three".