120809773 has 16 divisors (see below), whose sum is σ = 142751104. Its totient is φ = 100077120.

The previous prime is 120809749. The next prime is 120809797. The reversal of 120809773 is 377908021.

It is an interprime number because it is at equal distance from previous prime (120809749) and next prime (120809797).

It is a cyclic number.

It is not a de Polignac number, because 120809773 - 2⁹ = 120809261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120809713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39178 + ... + 42148.

It is an arithmetic number, because the mean of its divisors is an integer number (8921944).

Almost surely, 2^120809773 is an apocalyptic number.

It is an amenable number.

120809773 is a deficient number, since it is larger than the sum of its proper divisors (21941331).

120809773 is a wasteful number, since it uses less digits than its factorization.

120809773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 120809773 is about 10991.3499170939. The cubic root of 120809773 is about 494.3494129566.

The spelling of 120809773 in words is "one hundred twenty million, eight hundred nine thousand, seven hundred seventy-three".