120835520 has 112 divisors (see below), whose sum is σ = 320210688. Its totient is φ = 43130880.

The previous prime is 120835501. The next prime is 120835523. The reversal of 120835520 is 25538021.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 120835520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120835523) 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, 128492 + ... + 129428.

It is an arithmetic number, because the mean of its divisors is an integer number (2859024).

Almost surely, 2^120835520 is an apocalyptic number.

120835520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120835520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160105344).

120835520 is an abundant number, since it is smaller than the sum of its proper divisors (199375168).

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

120835520 is a wasteful number, since it uses less digits than its factorization.

120835520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 120835520 is about 10992.5210939074. The cubic root of 120835520 is about 494.3845290732.

The spelling of 120835520 in words is "one hundred twenty million, eight hundred thirty-five thousand, five hundred twenty".