121404133 has 8 divisors (see below), whose sum is σ = 122978240. Its totient is φ = 119836800.

The previous prime is 121404131. The next prime is 121404181. The reversal of 121404133 is 331404121.

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 121404133 - 2¹ = 121404131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121404133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41158 + ... + 44008.

It is an arithmetic number, because the mean of its divisors is an integer number (15372280).

Almost surely, 2^121404133 is an apocalyptic number.

It is an amenable number.

121404133 is a deficient number, since it is larger than the sum of its proper divisors (1574107).

121404133 is an equidigital number, since it uses as much as digits as its factorization.

121404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121404133 is about 11018.3543689609. The cubic root of 121404133 is about 495.1587872722.

Adding to 121404133 its reverse (331404121), we get a palindrome (452808254).

The spelling of 121404133 in words is "one hundred twenty-one million, four hundred four thousand, one hundred thirty-three".