120239285819 has 4 divisors (see below), whose sum is σ = 122797568544. Its totient is φ = 117681003096.

The previous prime is 120239285807. The next prime is 120239285827. The reversal of 120239285819 is 918582932021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918582932021 = 67801 ⋅13548221.

It is a cyclic number.

It is not a de Polignac number, because 120239285819 - 2⁸ = 120239285563 is a prime.

It is a super-2 number, since 2×120239285819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120239285219) 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, 1279141292 + ... + 1279141385.

It is an arithmetic number, because the mean of its divisors is an integer number (30699392136).

Almost surely, 2^120239285819 is an apocalyptic number.

120239285819 is a deficient number, since it is larger than the sum of its proper divisors (2558282725).

120239285819 is an equidigital number, since it uses as much as digits as its factorization.

120239285819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558282724.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 120239285819 in words is "one hundred twenty billion, two hundred thirty-nine million, two hundred eighty-five thousand, eight hundred nineteen".