121326133 has 8 divisors (see below), whose sum is σ = 123608160. Its totient is φ = 119053680.

The previous prime is 121326131. The next prime is 121326137. The reversal of 121326133 is 331623121.

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 121326133 - 2¹ = 121326131 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121326131) 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, 26358 + ... + 30616.

It is an arithmetic number, because the mean of its divisors is an integer number (15451020).

Almost surely, 2^121326133 is an apocalyptic number.

It is an amenable number.

121326133 is a deficient number, since it is larger than the sum of its proper divisors (2282027).

121326133 is an equidigital number, since it uses as much as digits as its factorization.

121326133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its digits is 648, while the sum is 22.

The square root of 121326133 is about 11014.8142517248. The cubic root of 121326133 is about 495.0527209772.

Adding to 121326133 its reverse (331623121), we get a palindrome (452949254).

The spelling of 121326133 in words is "one hundred twenty-one million, three hundred twenty-six thousand, one hundred thirty-three".