120449765 has 4 divisors (see below), whose sum is σ = 144539724. Its totient is φ = 96359808.

The previous prime is 120449741. The next prime is 120449779. The reversal of 120449765 is 567944021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567944021 = 97 ⋅5855093.

It can be written as a sum of positive squares in 2 ways, for example, as 26863489 + 93586276 = 5183^2 + 9674^2 .

It is a cyclic number.

It is not a de Polignac number, because 120449765 - 2⁶ = 120449701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12044972 + ... + 12044981.

It is an arithmetic number, because the mean of its divisors is an integer number (36134931).

Almost surely, 2^120449765 is an apocalyptic number.

It is an amenable number.

120449765 is a deficient number, since it is larger than the sum of its proper divisors (24089959).

120449765 is an equidigital number, since it uses as much as digits as its factorization.

120449765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089958.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 120449765 is about 10974.9608199756. The cubic root of 120449765 is about 493.8578776195.

The spelling of 120449765 in words is "one hundred twenty million, four hundred forty-nine thousand, seven hundred sixty-five".