120955520 has 256 divisors, whose sum is σ = 367200000. Its totient is φ = 37933056.

The previous prime is 120955511. The next prime is 120955537. The reversal of 120955520 is 25559021.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4170866 + ... + 4170894.

It is an arithmetic number, because the mean of its divisors is an integer number (1434375).

Almost surely, 2^120955520 is an apocalyptic number.

120955520 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 120955520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183600000).

120955520 is an abundant number, since it is smaller than the sum of its proper divisors (246244480).

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

120955520 is an equidigital number, since it uses as much as digits as its factorization.

120955520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 120955520 is about 10997.9779959773. The cubic root of 120955520 is about 494.5481302938.

The spelling of 120955520 in words is "one hundred twenty million, nine hundred fifty-five thousand, five hundred twenty".