120797838 has 96 divisors (see below), whose sum is σ = 317157120. Its totient is φ = 33974640.

The previous prime is 120797837. The next prime is 120797857. The reversal of 120797838 is 838797021.

It is a junction number, because it is equal to n+sod(n) for n = 120797793 and 120797802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120797837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187545 + ... + 188187.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720).

Almost surely, 2^120797838 is an apocalyptic number.

120797838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120797838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158578560).

120797838 is an abundant number, since it is smaller than the sum of its proper divisors (196359282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120797838 is a wasteful number, since it uses less digits than its factorization.

120797838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 120797838 is about 10990.8069767420. The cubic root of 120797838 is about 494.3331332181. Note that the first 3 decimals are identical.

The spelling of 120797838 in words is "one hundred twenty million, seven hundred ninety-seven thousand, eight hundred thirty-eight".