120775249 has 6 divisors (see below), whose sum is σ = 140493714. Its totient is φ = 103521600.

The previous prime is 120775243. The next prime is 120775271. The reversal of 120775249 is 942577021.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 14025025 = 10332^2 + 3745^2 .

It is not a de Polignac number, because 120775249 - 2³ = 120775241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120775241) 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 in 5 ways as a sum of consecutive naturals, for example, 1232352 + ... + 1232449.

It is an arithmetic number, because the mean of its divisors is an integer number (23415619).

Almost surely, 2^120775249 is an apocalyptic number.

It is an amenable number.

120775249 is a deficient number, since it is larger than the sum of its proper divisors (19718465).

120775249 is an equidigital number, since it uses as much as digits as its factorization.

120775249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464815 (or 2464808 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 120775249 is about 10989.7792971470. The cubic root of 120775249 is about 494.3023181322.

It can be divided in two parts, 1207752 and 49, that added together give a square (1207801 = 1099²).

The spelling of 120775249 in words is "one hundred twenty million, seven hundred seventy-five thousand, two hundred forty-nine".