120571849 has 2 divisors, whose sum is σ = 120571850. Its totient is φ = 120571848.

The previous prime is 120571823. The next prime is 120571861. The reversal of 120571849 is 948175021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 11449 = 10980^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 120571849 - 2⁷ = 120571721 is a prime.

It is not a weakly prime, because it can be changed into another prime (120571889) 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, 60285924 + 60285925.

It is an arithmetic number, because the mean of its divisors is an integer number (60285925).

Almost surely, 2^120571849 is an apocalyptic number.

It is an amenable number.

120571849 is a deficient number, since it is larger than the sum of its proper divisors (1).

120571849 is an equidigital number, since it uses as much as digits as its factorization.

120571849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 120571849 is about 10980.5213446357. The cubic root of 120571849 is about 494.0246740887.

The spelling of 120571849 in words is "one hundred twenty million, five hundred seventy-one thousand, eight hundred forty-nine".