133001123 has 2 divisors, whose sum is σ = 133001124. Its totient is φ = 133001122.

The previous prime is 133001101. The next prime is 133001207. The reversal of 133001123 is 321100331.

It is a weak prime.

It is an emirp because it is prime and its reverse (321100331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133001123 - 2⁶ = 133001059 is a prime.

It is a super-2 number, since 2×133001123² = 35378597438522258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133001098 and 133001107.

It is not a weakly prime, because it can be changed into another prime (133001723) 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 as a sum of consecutive naturals, namely, 66500561 + 66500562.

It is an arithmetic number, because the mean of its divisors is an integer number (66500562).

Almost surely, 2^133001123 is an apocalyptic number.

133001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001123 is an equidigital number, since it uses as much as digits as its factorization.

133001123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133001123 is about 11532.6112827928. The cubic root of 133001123 is about 510.4483088674.

Adding to 133001123 its reverse (321100331), we get a palindrome (454101454).

The spelling of 133001123 in words is "one hundred thirty-three million, one thousand, one hundred twenty-three".