133001101 has 2 divisors, whose sum is σ = 133001102. Its totient is φ = 133001100.

The previous prime is 133001093. The next prime is 133001123. The reversal of 133001101 is 101100331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118788201 + 14212900 = 10899^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 133001101 - 2³ = 133001093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133007101) 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, 66500550 + 66500551.

It is an arithmetic number, because the mean of its divisors is an integer number (66500551).

Almost surely, 2^133001101 is an apocalyptic number.

It is an amenable number.

133001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001101 is an equidigital number, since it uses as much as digits as its factorization.

133001101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 133001101 is about 11532.6103289758. The cubic root of 133001101 is about 510.4482807226.

Adding to 133001101 its reverse (101100331), we get a palindrome (234101432).

The spelling of 133001101 in words is "one hundred thirty-three million, one thousand, one hundred one".