120299520 has 224 divisors, whose sum is σ = 424647360. Its totient is φ = 28835840.

The previous prime is 120299483. The next prime is 120299521. The reversal of 120299520 is 25992021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120299521) 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, 1351636 + ... + 1351724.

Almost surely, 2^120299520 is an apocalyptic number.

120299520 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 120299520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212323680).

120299520 is an abundant number, since it is smaller than the sum of its proper divisors (304347840).

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

120299520 is an equidigital number, since it uses as much as digits as its factorization.

120299520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 120299520 is about 10968.1137849678. The cubic root of 120299520 is about 493.6524515937.

The spelling of 120299520 in words is "one hundred twenty million, two hundred ninety-nine thousand, five hundred twenty".