120544215 has 16 divisors (see below), whose sum is σ = 210404736. Its totient is φ = 58445600.

The previous prime is 120544201. The next prime is 120544217. The reversal of 120544215 is 512445021.

It is not a de Polignac number, because 120544215 - 2⁴ = 120544199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365121 + ... + 365450.

It is an arithmetic number, because the mean of its divisors is an integer number (13150296).

Almost surely, 2^120544215 is an apocalyptic number.

120544215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120544215 is a deficient number, since it is larger than the sum of its proper divisors (89860521).

120544215 is a wasteful number, since it uses less digits than its factorization.

120544215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730590.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 120544215 is about 10979.2629534045. The cubic root of 120544215 is about 493.9869291782.

Adding to 120544215 its reverse (512445021), we get a palindrome (632989236).

The spelling of 120544215 in words is "one hundred twenty million, five hundred forty-four thousand, two hundred fifteen".