120365779 has 4 divisors (see below), whose sum is σ = 126700840. Its totient is φ = 114030720.

The previous prime is 120365767. The next prime is 120365783. The reversal of 120365779 is 977563021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120365779 - 2¹⁷ = 120234707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120365719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167502 + ... + 3167539.

It is an arithmetic number, because the mean of its divisors is an integer number (31675210).

Almost surely, 2^120365779 is an apocalyptic number.

120365779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120365779 is a deficient number, since it is larger than the sum of its proper divisors (6335061).

120365779 is an equidigital number, since it uses as much as digits as its factorization.

120365779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335060.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 120365779 is about 10971.1338976425. The cubic root of 120365779 is about 493.7430668470.

The spelling of 120365779 in words is "one hundred twenty million, three hundred sixty-five thousand, seven hundred seventy-nine".