120145133 has 2 divisors, whose sum is σ = 120145134. Its totient is φ = 120145132.

The previous prime is 120145127. The next prime is 120145147. The reversal of 120145133 is 331541021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 29571844 = 9517^2 + 5438^2 .

It is a cyclic number.

It is not a de Polignac number, because 120145133 - 2¹⁰ = 120144109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120145153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072566 + 60072567.

It is an arithmetic number, because the mean of its divisors is an integer number (60072567).

Almost surely, 2^120145133 is an apocalyptic number.

It is an amenable number.

120145133 is a deficient number, since it is larger than the sum of its proper divisors (1).

120145133 is an equidigital number, since it uses as much as digits as its factorization.

120145133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120145133 is about 10961.0735331901. The cubic root of 120145133 is about 493.4411840638.

Adding to 120145133 its reverse (331541021), we get a palindrome (451686154).

The spelling of 120145133 in words is "one hundred twenty million, one hundred forty-five thousand, one hundred thirty-three".