133124122 has 4 divisors (see below), whose sum is σ = 199686186. Its totient is φ = 66562060.

The previous prime is 133124107. The next prime is 133124191. The reversal of 133124122 is 221421331.

It is a happy number.

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., 77457601 + 55666521 = 8801^2 + 7461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133124122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33281029 + ... + 33281032.

Almost surely, 2^133124122 is an apocalyptic number.

133124122 is a deficient number, since it is larger than the sum of its proper divisors (66562064).

133124122 is an equidigital number, since it uses as much as digits as its factorization.

133124122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66562063.

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

The square root of 133124122 is about 11537.9427108995. The cubic root of 133124122 is about 510.6056140232.

Adding to 133124122 its reverse (221421331), we get a palindrome (354545453).

The spelling of 133124122 in words is "one hundred thirty-three million, one hundred twenty-four thousand, one hundred twenty-two".