133131122 has 16 divisors (see below), whose sum is σ = 202859160. Its totient is φ = 65515392.

The previous prime is 133131121. The next prime is 133131127. The reversal of 133131122 is 221131331.

133131122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 84842521 + 48288601 = 9211^2 + 6949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133131122.

It is not an unprimeable number, because it can be changed into a prime (133131121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124004 + ... + 125072.

Almost surely, 2^133131122 is an apocalyptic number.

133131122 is a deficient number, since it is larger than the sum of its proper divisors (69728038).

133131122 is a wasteful number, since it uses less digits than its factorization.

133131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

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

The square root of 133131122 is about 11538.2460538853. The cubic root of 133131122 is about 510.6145635073.

Adding to 133131122 its reverse (221131331), we get a palindrome (354262453).

The spelling of 133131122 in words is "one hundred thirty-three million, one hundred thirty-one thousand, one hundred twenty-two".