120801520 has 160 divisors (see below), whose sum is σ = 341978112. Its totient is φ = 38793216.

The previous prime is 120801503. The next prime is 120801521. The reversal of 120801520 is 25108021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120801521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068984 + ... + 1069096.

Almost surely, 2^120801520 is an apocalyptic number.

120801520 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 120801520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170989056).

120801520 is an abundant number, since it is smaller than the sum of its proper divisors (221176592).

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

120801520 is a wasteful number, since it uses less digits than its factorization.

120801520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 120801520 is about 10990.9744790896. The cubic root of 120801520 is about 494.3381557034.

Adding to 120801520 its reverse (25108021), we get a palindrome (145909541).

The spelling of 120801520 in words is "one hundred twenty million, eight hundred one thousand, five hundred twenty".