120819849 has 8 divisors (see below), whose sum is σ = 161314080. Its totient is φ = 80436096.

The previous prime is 120819847. The next prime is 120819857. The reversal of 120819849 is 948918021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120819849 - 2¹ = 120819847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120819849.

It is not an unprimeable number, because it can be changed into a prime (120819847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25032 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (20164260).

Almost surely, 2^120819849 is an apocalyptic number.

It is an amenable number.

120819849 is a deficient number, since it is larger than the sum of its proper divisors (40494231).

120819849 is an equidigital number, since it uses as much as digits as its factorization.

120819849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55239.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 120819849 is about 10991.8082679785. The cubic root of 120819849 is about 494.3631561224.

The spelling of 120819849 in words is "one hundred twenty million, eight hundred nineteen thousand, eight hundred forty-nine".