120315420 has 72 divisors (see below), whose sum is σ = 369620160. Its totient is φ = 31674240.

The previous prime is 120315397. The next prime is 120315439. The reversal of 120315420 is 24513021.

120315420 is a `hidden beast` number, since 120 + 3 + 1 + 542 + 0 = 666.

120315420 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

120315420 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 120315393 and 120315402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9990 + ... + 18450.

Almost surely, 2^120315420 is an apocalyptic number.

120315420 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 120315420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184810080).

120315420 is an abundant number, since it is smaller than the sum of its proper divisors (249304740).

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

120315420 is a wasteful number, since it uses less digits than its factorization.

120315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120315420 is about 10968.8385893858. The cubic root of 120315420 is about 493.6741993341.

Adding to 120315420 its reverse (24513021), we get a palindrome (144828441).

The spelling of 120315420 in words is "one hundred twenty million, three hundred fifteen thousand, four hundred twenty".