120779289 has 16 divisors (see below), whose sum is σ = 179108800. Its totient is φ = 80440128.

The previous prime is 120779273. The next prime is 120779299. The reversal of 120779289 is 982977021.

It is not a de Polignac number, because 120779289 - 2⁴ = 120779273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120779299) 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, 41217 + ... + 44049.

It is an arithmetic number, because the mean of its divisors is an integer number (11194300).

Almost surely, 2^120779289 is an apocalyptic number.

It is an amenable number.

120779289 is a deficient number, since it is larger than the sum of its proper divisors (58329511).

120779289 is a wasteful number, since it uses less digits than its factorization.

120779289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 120779289 is about 10989.9631027588. The cubic root of 120779289 is about 494.3078296342.

The spelling of 120779289 in words is "one hundred twenty million, seven hundred seventy-nine thousand, two hundred eighty-nine".