120455320 has 16 divisors (see below), whose sum is σ = 271024560. Its totient is φ = 48182112.

The previous prime is 120455311. The next prime is 120455323. The reversal of 120455320 is 23554021.

It is a junction number, because it is equal to n+sod(n) for n = 120455291 and 120455300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120455323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505652 + ... + 1505731.

It is an arithmetic number, because the mean of its divisors is an integer number (16939035).

Almost surely, 2^120455320 is an apocalyptic number.

120455320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120455320 is an abundant number, since it is smaller than the sum of its proper divisors (150569240).

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

120455320 is a wasteful number, since it uses less digits than its factorization.

120455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011394 (or 3011390 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 120455320 is about 10975.2138931321. The cubic root of 120455320 is about 493.8654695490.

The spelling of 120455320 in words is "one hundred twenty million, four hundred fifty-five thousand, three hundred twenty".