120432315 has 16 divisors (see below), whose sum is σ = 193971456. Its totient is φ = 63804000.

The previous prime is 120432313. The next prime is 120432337. The reversal of 120432315 is 513234021.

It is not a de Polignac number, because 120432315 - 2¹ = 120432313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120432291 and 120432300.

It is not an unprimeable number, because it can be changed into a prime (120432311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24321 + ... + 28850.

It is an arithmetic number, because the mean of its divisors is an integer number (12123216).

Almost surely, 2^120432315 is an apocalyptic number.

120432315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120432315 is a deficient number, since it is larger than the sum of its proper divisors (73539141).

120432315 is a wasteful number, since it uses less digits than its factorization.

120432315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120432315 is about 10974.1657997317. The cubic root of 120432315 is about 493.8340274660.

Adding to 120432315 its reverse (513234021), we get a palindrome (633666336).

The spelling of 120432315 in words is "one hundred twenty million, four hundred thirty-two thousand, three hundred fifteen".