121600133 has 8 divisors (see below), whose sum is σ = 135529920. Its totient is φ = 108423360.

The previous prime is 121600097. The next prime is 121600147. The reversal of 121600133 is 331006121.

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 121600133 - 2⁶ = 121600069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121600163) 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, 187913 + ... + 188558.

It is an arithmetic number, because the mean of its divisors is an integer number (16941240).

Almost surely, 2^121600133 is an apocalyptic number.

It is an amenable number.

121600133 is a deficient number, since it is larger than the sum of its proper divisors (13929787).

121600133 is a wasteful number, since it uses less digits than its factorization.

121600133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376507.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 121600133 is about 11027.2450321919. The cubic root of 121600133 is about 495.4251124757.

Adding to 121600133 its reverse (331006121), we get a palindrome (452606254).

The spelling of 121600133 in words is "one hundred twenty-one million, six hundred thousand, one hundred thirty-three".