120491153 has 2 divisors, whose sum is σ = 120491154. Its totient is φ = 120491152.

The previous prime is 120491093. The next prime is 120491159. The reversal of 120491153 is 351194021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102657424 + 17833729 = 10132^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 120491153 - 2¹⁸ = 120229009 is a prime.

It is not a weakly prime, because it can be changed into another prime (120491159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60245576 + 60245577.

It is an arithmetic number, because the mean of its divisors is an integer number (60245577).

Almost surely, 2^120491153 is an apocalyptic number.

It is an amenable number.

120491153 is a deficient number, since it is larger than the sum of its proper divisors (1).

120491153 is an equidigital number, since it uses as much as digits as its factorization.

120491153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 120491153 is about 10976.8462228456. The cubic root of 120491153 is about 493.9144363273.

The spelling of 120491153 in words is "one hundred twenty million, four hundred ninety-one thousand, one hundred fifty-three".