133122112 has 28 divisors (see below), whose sum is σ = 264558780. Its totient is φ = 66461696.

The previous prime is 133122103. The next prime is 133122127. The reversal of 133122112 is 211221331.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 48776256 = 9184^2 + 6984^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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 in 3 ways as a sum of consecutive naturals, for example, 61464 + ... + 63592.

Almost surely, 2^133122112 is an apocalyptic number.

It is an amenable number.

133122112 is a deficient number, since it is larger than the sum of its proper divisors (131436668).

133122112 is an equidigital number, since it uses as much as digits as its factorization.

133122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 3108 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 133122112 is about 11537.8556066541. The cubic root of 133122112 is about 510.6030441848.

Adding to 133122112 its reverse (211221331), we get a palindrome (344343443).

The spelling of 133122112 in words is "one hundred thirty-three million, one hundred twenty-two thousand, one hundred twelve".