133305122 has 4 divisors (see below), whose sum is σ = 199957686. Its totient is φ = 66652560.

The previous prime is 133305119. The next prime is 133305167. The reversal of 133305122 is 221503331.

133305122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120978001 + 12327121 = 10999^2 + 3511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133305094 and 133305103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33326279 + ... + 33326282.

Almost surely, 2^133305122 is an apocalyptic number.

133305122 is a deficient number, since it is larger than the sum of its proper divisors (66652564).

133305122 is an equidigital number, since it uses as much as digits as its factorization.

133305122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66652563.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133305122 is about 11545.7837326013. The cubic root of 133305122 is about 510.8369213695.

Adding to 133305122 its reverse (221503331), we get a palindrome (354808453).

The spelling of 133305122 in words is "one hundred thirty-three million, three hundred five thousand, one hundred twenty-two".