120505183 has 2 divisors, whose sum is σ = 120505184. Its totient is φ = 120505182.

The previous prime is 120505169. The next prime is 120505213. The reversal of 120505183 is 381505021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120505183 - 2²⁵ = 86950751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120505103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60252591 + 60252592.

It is an arithmetic number, because the mean of its divisors is an integer number (60252592).

Almost surely, 2^120505183 is an apocalyptic number.

120505183 is a deficient number, since it is larger than the sum of its proper divisors (1).

120505183 is an equidigital number, since it uses as much as digits as its factorization.

120505183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 120505183 is about 10977.4852766925. The cubic root of 120505183 is about 493.9336060628.

The spelling of 120505183 in words is "one hundred twenty million, five hundred five thousand, one hundred eighty-three".