120733815 has 16 divisors (see below), whose sum is σ = 199836000. Its totient is φ = 62170752.

The previous prime is 120733801. The next prime is 120733817. The reversal of 120733815 is 518337021.

It is not a de Polignac number, because 120733815 - 2⁵ = 120733783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120733817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138340 + ... + 139209.

It is an arithmetic number, because the mean of its divisors is an integer number (12489750).

Almost surely, 2^120733815 is an apocalyptic number.

120733815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120733815 is a deficient number, since it is larger than the sum of its proper divisors (79102185).

120733815 is a wasteful number, since it uses less digits than its factorization.

120733815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277586.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 120733815 is about 10987.8940202388. The cubic root of 120733815 is about 494.2457853989.

The spelling of 120733815 in words is "one hundred twenty million, seven hundred thirty-three thousand, eight hundred fifteen".