120649273 has 2 divisors, whose sum is σ = 120649274. Its totient is φ = 120649272.

The previous prime is 120649261. The next prime is 120649327. The reversal of 120649273 is 372946021.

Together with next prime (120649327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100962304 + 19686969 = 10048^2 + 4437^2 .

It is a cyclic number.

It is not a de Polignac number, because 120649273 - 2⁹ = 120648761 is a prime.

It is not a weakly prime, because it can be changed into another prime (120649223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60324636 + 60324637.

It is an arithmetic number, because the mean of its divisors is an integer number (60324637).

Almost surely, 2^120649273 is an apocalyptic number.

It is an amenable number.

120649273 is a deficient number, since it is larger than the sum of its proper divisors (1).

120649273 is an equidigital number, since it uses as much as digits as its factorization.

120649273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 120649273 is about 10984.0462945128. The cubic root of 120649273 is about 494.1303957876.

The spelling of 120649273 in words is "one hundred twenty million, six hundred forty-nine thousand, two hundred seventy-three".